diff --git a/.gitignore b/.gitignore
index 78c6e10062c15b5eb23543e4c43b585851060baa..0ff7746cc07e234f4c3325080bf14d2bcc12e169 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,5 @@
-
+.vscode/
+.vscode/launch.json
 .DS_Store
 documentation/design-documentation/
 documentation/design/*.pdf
@@ -14,4 +15,5 @@ documentation/design/*.pdf
 .idea/workspace.xml
 restconf/bin/bin
 test/.terraform.local/
-configs/gosdn.toml
\ No newline at end of file
+configs/gosdn.toml
+debug.test
\ No newline at end of file
diff --git a/Dockerfile.alpine b/Dockerfile.alpine
new file mode 100644
index 0000000000000000000000000000000000000000..03a059e084dcc7832d4bcc70b65666438e12009d
--- /dev/null
+++ b/Dockerfile.alpine
@@ -0,0 +1,23 @@
+# syntax = docker/dockerfile:1.2
+
+FROM golang:1.16-alpine AS builder
+ARG GITLAB_USER
+ARG GITLAB_TOKEN
+ARG BUILDARGS
+WORKDIR /src/gosdn
+RUN apk add --no-cache git
+RUN git config --global url."https://$GITLAB_USER:$GITLAB_TOKEN@code.fbi.h-da.de".insteadOf "https://code.fbi.h-da.de"
+COPY go.* .
+RUN go mod download
+COPY . .
+RUN --mount=type=cache,target=/root/.cache/go-build \
+GOOS=linux go build -o gosdn ./cmd/gosdn
+
+FROM alpine
+EXPOSE 8080
+EXPOSE 55055
+COPY --from=builder /src/gosdn/gosdn .
+COPY --from=builder /src/gosdn/configs ./configs
+
+ENTRYPOINT [ "./gosdn" ]
+CMD [""]
diff --git a/api/apiIntegration_test.go b/api/apiIntegration_test.go
index 5f1759243e209c2b64caad0b4bd921b7867fd86d..ac9b296253f664b0b8546ddaa72a753b570ccd04 100644
--- a/api/apiIntegration_test.go
+++ b/api/apiIntegration_test.go
@@ -39,8 +39,14 @@ func TestApiIntegration(t *testing.T) {
 			cliPnd := viper.GetString("CLI_PND")
 			cliSbi := viper.GetString("CLI_SBI")
 
-			cliPndUUID, err := uuid.Parse(cliPnd)
-			clisbiUUID, err := uuid.Parse(cliSbi)
+			suid, err := uuid.Parse(cliSbi)
+			if err != nil {
+				t.Error(err)
+			}
+			puid, err := uuid.Parse(cliPnd)
+			if err != nil {
+				t.Error(err)
+			}
 
 			opt := &tpb.TransportOption{
 				Address:  testAddress,
@@ -50,13 +56,12 @@ func TestApiIntegration(t *testing.T) {
 					GnmiTransportOption: &tpb.GnmiTransportOption{},
 				},
 			}
-
 			if _, err := addDevice(
 				testAPIEndpoint,
 				"test-device",
 				opt,
-				clisbiUUID,
-				cliPndUUID,
+				suid,
+				puid,
 			); (err != nil) != tt.wantErr {
 				t.Errorf("gosdn cli add-device error = %v, wantErr %v", err, tt.wantErr)
 				return
@@ -66,7 +71,6 @@ func TestApiIntegration(t *testing.T) {
 			_, err = getDevice(
 				testAPIEndpoint,
 				cliPnd,
-				testPath,
 				did,
 			)
 			if (err != nil) != tt.wantErr {
diff --git a/api/grpc_test.go b/api/api_test.go
similarity index 100%
rename from api/grpc_test.go
rename to api/api_test.go
diff --git a/api/go.mod b/api/go.mod
index 28434c6f7d413d2338e665881251888e6b193a35..ddc25c1c020e830f11af1e7b366c7537ef03f4a0 100644
--- a/api/go.mod
+++ b/api/go.mod
@@ -4,8 +4,8 @@ go 1.16
 
 require (
 	code.fbi.h-da.de/cocsn/api v0.2.2
-	code.fbi.h-da.de/cocsn/gosdn v0.0.3-0.20210621171149-af262ac22994
-	code.fbi.h-da.de/cocsn/gosdn/interfaces v0.0.0-20210621171149-af262ac22994
+	code.fbi.h-da.de/cocsn/gosdn v0.0.3-0.20210622165328-71801e150967
+	code.fbi.h-da.de/cocsn/gosdn/interfaces v0.0.0-20210622165328-71801e150967
 	code.fbi.h-da.de/cocsn/yang-models v0.0.7
 	github.com/google/uuid v1.2.0
 	github.com/openconfig/gnmi v0.0.0-20210527163611-d3a3e30199da
diff --git a/api/go.sum b/api/go.sum
index cc712d02cf17f44cff8320e86067ab62a645c2dd..58d27f1a4bae0a9ed4dc5fc6e9f6b4a25a388b70 100644
--- a/api/go.sum
+++ b/api/go.sum
@@ -21,15 +21,13 @@ cloud.google.com/go/pubsub v1.2.0/go.mod h1:jhfEVHT8odbXTkndysNHCcx0awwzvfOlguIA
 cloud.google.com/go/storage v1.0.0/go.mod h1:IhtSnM/ZTZV8YYJWCY8RULGVqBDmpoyjwiyrjsg+URw=
 cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0ZeosJ0Rtdos=
 cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
-code.fbi.h-da.de/cocsn/api v0.2.1/go.mod h1:QEsmZhUCF6Fp4qjY3uunfC5YRFwVpUEkfuTBO+/iNHY=
 code.fbi.h-da.de/cocsn/api v0.2.2 h1:pJ1P3+l8Fl+JWEkoLTSBOvB6LrxUYYqRbfdt+eSWQSk=
 code.fbi.h-da.de/cocsn/api v0.2.2/go.mod h1:s+P4Lrxl5rHyo/Q0UTABZrDfH4zuAoRKdzktlL0UsRI=
-code.fbi.h-da.de/cocsn/cocsn-api v0.2.0/go.mod h1:LEOmx+JCr2HU1gBNbT8PxGYIR0JwnpFHTJaAvDvY/Q4=
-code.fbi.h-da.de/cocsn/gosdn v0.0.3-0.20210621171149-af262ac22994 h1:OcN7fvuOWeaIdjPk5bN2Do+dIoKxi4bcW9VzzXx8Tpo=
-code.fbi.h-da.de/cocsn/gosdn v0.0.3-0.20210621171149-af262ac22994/go.mod h1:fMyYU+2d1MSIIYvqUtv4nDZJKku+oIgwgHKMlpjIISY=
-code.fbi.h-da.de/cocsn/gosdn/interfaces v0.0.0-20210618112738-07b4fbd92ad8/go.mod h1:7lSS8TSOtRjc8mhEaj+2gN4mpgzuDCzL1tWnlgW0D5Q=
-code.fbi.h-da.de/cocsn/gosdn/interfaces v0.0.0-20210621171149-af262ac22994 h1:jk4fxZU1nqhnrkGKUo6a67jBv6CJPxra61LbeiN+D1w=
-code.fbi.h-da.de/cocsn/gosdn/interfaces v0.0.0-20210621171149-af262ac22994/go.mod h1:lSkrE5ukbNKhqjAYr3v37dT1iMqZmeBdTWNVj3Wfa4o=
+code.fbi.h-da.de/cocsn/gosdn v0.0.3-0.20210622165328-71801e150967 h1:WnVSqjWmxsGORKC8Stpacq1n5GF0INnm3EKncccaPWE=
+code.fbi.h-da.de/cocsn/gosdn v0.0.3-0.20210622165328-71801e150967/go.mod h1:y4cOyPku2cm28tosThcKEB4ZLtoORS1bWVGVMuvkAgw=
+code.fbi.h-da.de/cocsn/gosdn/interfaces v0.0.0-20210622152353-f1606e68af6e/go.mod h1:lSkrE5ukbNKhqjAYr3v37dT1iMqZmeBdTWNVj3Wfa4o=
+code.fbi.h-da.de/cocsn/gosdn/interfaces v0.0.0-20210622165328-71801e150967 h1:0ikDD6x3nZU8HZHTpSbXxYn8nuNr/YwEIuw9EehCz7U=
+code.fbi.h-da.de/cocsn/gosdn/interfaces v0.0.0-20210622165328-71801e150967/go.mod h1:lSkrE5ukbNKhqjAYr3v37dT1iMqZmeBdTWNVj3Wfa4o=
 code.fbi.h-da.de/cocsn/yang-models v0.0.7 h1:3TOo8J+EdAJKeq4o3aaNWZRhjSwguIS8wciW1U9PkSk=
 code.fbi.h-da.de/cocsn/yang-models v0.0.7/go.mod h1:M+2HinfhTT8nA8qvn2cpWNlOtuiizTNDWA3yfy72K/g=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
@@ -45,17 +43,14 @@ github.com/BurntSushi/xgb v0.0.0-20160522181843-27f122750802/go.mod h1:IVnqGOEym
 github.com/Microsoft/go-winio v0.4.15/go.mod h1:tTuCMEN+UleMWgg9dVx4Hu52b1bJo+59jBh3ajtinzw=
 github.com/NYTimes/gziphandler v0.0.0-20170623195520-56545f4a5d46/go.mod h1:3wb06e3pkSAbeQ52E9H9iFoQsEEwGN64994WTCIhntQ=
 github.com/OneOfOne/xxhash v1.2.2/go.mod h1:HSdplMjZKSmBqAxg5vPj2TmRDmfkzw+cTzAElWljhcU=
-github.com/PuerkitoBio/purell v1.1.0/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
 github.com/PuerkitoBio/purell v1.1.1/go.mod h1:c11w/QuzBsJSee3cPx9rAFu61PvFxuPbtSwDGJws/X0=
 github.com/PuerkitoBio/urlesc v0.0.0-20170810143723-de5bf2ad4578/go.mod h1:uGdkoq3SwY9Y+13GIhn11/XLaGBb4BfwItxLd5jeuXE=
 github.com/Shopify/sarama v1.26.1/go.mod h1:NbSGBSSndYaIhRcBtY9V0U7AyH+x71bG668AuWys/yU=
 github.com/Shopify/toxiproxy v2.1.4+incompatible/go.mod h1:OXgGpZ6Cli1/URJOF1DMxUHB2q5Ap20/P/eIdh4G0pI=
-github.com/agnivade/levenshtein v1.0.1/go.mod h1:CURSv5d9Uaml+FovSIICkLbAUZ9S4RqaHDIsdSBg7lM=
 github.com/alecthomas/template v0.0.0-20160405071501-a0175ee3bccc/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/template v0.0.0-20190718012654-fb15b899a751/go.mod h1:LOuyumcjzFXgccqObfd/Ljyb9UuFJ6TxHnclSeseNhc=
 github.com/alecthomas/units v0.0.0-20151022065526-2efee857e7cf/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
 github.com/alecthomas/units v0.0.0-20190717042225-c3de453c63f4/go.mod h1:ybxpYRFXyAe+OPACYpWeL0wqObRcbAqCMya13uyzqw0=
-github.com/andreyvit/diff v0.0.0-20170406064948-c7f18ee00883/go.mod h1:rCTlJbsFo29Kk6CurOXKm700vrz8f0KW0JNfpkRJY/8=
 github.com/andybalholm/brotli v1.0.0/go.mod h1:loMXtMfwqflxFJPmdbJO0a3KNoPuLBgiu3qAvBg8x/Y=
 github.com/andybalholm/brotli v1.0.1/go.mod h1:loMXtMfwqflxFJPmdbJO0a3KNoPuLBgiu3qAvBg8x/Y=
 github.com/aristanetworks/fsnotify v1.4.2/go.mod h1:D/rtu7LpjYM8tRJphJ0hUBYpjai8SfX+aSNsWDTq/Ks=
@@ -66,12 +61,7 @@ github.com/aristanetworks/splunk-hec-go v0.3.3/go.mod h1:1VHO9r17b0K7WmOlLb9nTk/
 github.com/armon/circbuf v0.0.0-20150827004946-bbbad097214e/go.mod h1:3U/XgcO3hCbHZ8TKRvWD2dDTCfh9M9ya+I9JpbB7O8o=
 github.com/armon/go-metrics v0.0.0-20180917152333-f0300d1749da/go.mod h1:Q73ZrmVTwzkszR9V5SSuryQ31EELlFMUz1kKyl939pY=
 github.com/armon/go-radix v0.0.0-20180808171621-7fddfc383310/go.mod h1:ufUuZ+zHj4x4TnLV4JWEpy2hxWSpsRywHrMgIH9cCH8=
-github.com/asaskevich/govalidator v0.0.0-20180720115003-f9ffefc3facf/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
 github.com/asaskevich/govalidator v0.0.0-20190424111038-f61b66f89f4a/go.mod h1:lB+ZfQJz7igIIfQNfa7Ml4HSf2uFQQRzpGGRXenZAgY=
-github.com/asaskevich/govalidator v0.0.0-20200108200545-475eaeb16496/go.mod h1:oGkLhpf+kjZl6xBf758TQhh5XrAeiJv/7FRz/2spLIg=
-github.com/asaskevich/govalidator v0.0.0-20200428143746-21a406dcc535/go.mod h1:oGkLhpf+kjZl6xBf758TQhh5XrAeiJv/7FRz/2spLIg=
-github.com/asaskevich/govalidator v0.0.0-20200907205600-7a23bdc65eef/go.mod h1:WaHUgvxTVq04UNunO+XhnAqY/wQc+bxr74GqbsZ/Jqw=
-github.com/aws/aws-sdk-go v1.34.28/go.mod h1:H7NKnBqNVzoTJpGfLrQkkD+ytBA93eiDYi/+8rV9s48=
 github.com/beorn7/perks v0.0.0-20180321164747-3a771d992973/go.mod h1:Dwedo/Wpr24TaqPxmxbtue+5NUziq4I4S80YR8gNf3Q=
 github.com/beorn7/perks v1.0.0/go.mod h1:KWe93zE9D1o94FZ5RNwFwVgaQK1VOXiVxmqh+CedLV8=
 github.com/beorn7/perks v1.0.1/go.mod h1:G2ZrVWU2WbWT9wwq4/hrbKbnv/1ERSJQ0ibhJ6rlkpw=
@@ -105,7 +95,6 @@ github.com/docker/docker v1.13.1/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsv
 github.com/docker/docker v20.10.6+incompatible h1:oXI3Vas8TI8Eu/EjH4srKHJBVqraSzJybhxY7Om9faQ=
 github.com/docker/docker v20.10.6+incompatible/go.mod h1:eEKB0N0r5NX/I1kEveEz05bcu8tLC/8azJZsviup8Sk=
 github.com/docker/go-connections v0.4.0/go.mod h1:Gbd7IOopHjR8Iph03tsViu4nIes5XhDvyHbTtUxmeec=
-github.com/docker/go-units v0.3.3/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
 github.com/docker/go-units v0.4.0/go.mod h1:fgPhTUdO+D/Jk86RDLlptpiXQzgHJF7gydDDbaIK4Dk=
 github.com/docopt/docopt-go v0.0.0-20180111231733-ee0de3bc6815/go.mod h1:WwZ+bS3ebgob9U8Nd0kOddGdZWjyMGR8Wziv+TBNwSE=
 github.com/dsnet/compress v0.0.1/go.mod h1:Aw8dCMJ7RioblQeTqt88akK31OvO8Dhf5JflhBbQEHo=
@@ -132,8 +121,6 @@ github.com/fsnotify/fsnotify v1.4.9 h1:hsms1Qyu0jgnwNXIxa+/V/PDsU6CfLf6CNO8H7IWo
 github.com/fsnotify/fsnotify v1.4.9/go.mod h1:znqG4EE+3YCdAaPaxE2ZRY/06pZUdp0tY4IgpuI1SZQ=
 github.com/garyburd/redigo v1.6.0/go.mod h1:NR3MbYisc3/PwhQ00EMzDiPmrwpPxAn5GI05/YaO1SY=
 github.com/ghodss/yaml v1.0.0/go.mod h1:4dBDuWmgqj2HViK6kFavaiC9ZROes6MMH2rRYeMEF04=
-github.com/globalsign/mgo v0.0.0-20180905125535-1ca0a4f7cbcb/go.mod h1:xkRDCp4j0OGD1HRkm4kmhM+pmpv3AKq5SU7GMg4oO/Q=
-github.com/globalsign/mgo v0.0.0-20181015135952-eeefdecb41b8/go.mod h1:xkRDCp4j0OGD1HRkm4kmhM+pmpv3AKq5SU7GMg4oO/Q=
 github.com/go-gl/glfw v0.0.0-20190409004039-e6da0acd62b1/go.mod h1:vR7hzQXu2zJy9AVAgeJqvqgH9Q5CA+iKCZ2gyEVpxRU=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20191125211704-12ad95a8df72/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
 github.com/go-gl/glfw/v3.3/glfw v0.0.0-20200222043503-6f7a984d4dc4/go.mod h1:tQ2UAYgL5IevRw8kRxooKSPJfGvJ9fJQFa0TUsXzTg8=
@@ -143,115 +130,14 @@ github.com/go-logfmt/logfmt v0.3.0/go.mod h1:Qt1PoO58o5twSAckw1HlFXLmHsOX5/0LbT9
 github.com/go-logfmt/logfmt v0.4.0/go.mod h1:3RMwSq7FuexP4Kalkev3ejPJsZTpXXBr9+V4qmtdjCk=
 github.com/go-logr/logr v0.1.0/go.mod h1:ixOQHD9gLJUVQQ2ZOR7zLEifBX6tGkNJF4QyIY7sIas=
 github.com/go-logr/logr v0.4.0/go.mod h1:z6/tIYblkpsD+a4lm/fGIIU9mZ+XfAiaFtq7xTgseGU=
-github.com/go-openapi/analysis v0.0.0-20180825180245-b006789cd277/go.mod h1:k70tL6pCuVxPJOHXQ+wIac1FUrvNkHolPie/cLEU6hI=
-github.com/go-openapi/analysis v0.17.0/go.mod h1:IowGgpVeD0vNm45So8nr+IcQ3pxVtpRoBWb8PVZO0ik=
-github.com/go-openapi/analysis v0.18.0/go.mod h1:IowGgpVeD0vNm45So8nr+IcQ3pxVtpRoBWb8PVZO0ik=
-github.com/go-openapi/analysis v0.19.2/go.mod h1:3P1osvZa9jKjb8ed2TPng3f0i/UY9snX6gxi44djMjk=
-github.com/go-openapi/analysis v0.19.4/go.mod h1:3P1osvZa9jKjb8ed2TPng3f0i/UY9snX6gxi44djMjk=
-github.com/go-openapi/analysis v0.19.5/go.mod h1:hkEAkxagaIvIP7VTn8ygJNkd4kAYON2rCu0v0ObL0AU=
-github.com/go-openapi/analysis v0.19.10/go.mod h1:qmhS3VNFxBlquFJ0RGoDtylO9y4pgTAUNE9AEEMdlJQ=
-github.com/go-openapi/analysis v0.19.16/go.mod h1:GLInF007N83Ad3m8a/CbQ5TPzdnGT7workfHwuVjNVk=
-github.com/go-openapi/analysis v0.20.0/go.mod h1:BMchjvaHDykmRMsK40iPtvyOfFdMMxlOmQr9FBZk+Og=
-github.com/go-openapi/errors v0.17.0/go.mod h1:LcZQpmvG4wyF5j4IhA73wkLFQg+QJXOQHVjmcZxhka0=
-github.com/go-openapi/errors v0.18.0/go.mod h1:LcZQpmvG4wyF5j4IhA73wkLFQg+QJXOQHVjmcZxhka0=
-github.com/go-openapi/errors v0.19.2/go.mod h1:qX0BLWsyaKfvhluLejVpVNwNRdXZhEbTA4kxxpKBC94=
-github.com/go-openapi/errors v0.19.3/go.mod h1:qX0BLWsyaKfvhluLejVpVNwNRdXZhEbTA4kxxpKBC94=
-github.com/go-openapi/errors v0.19.6/go.mod h1:cM//ZKUKyO06HSwqAelJ5NsEMMcpa6VpXe8DOa1Mi1M=
-github.com/go-openapi/errors v0.19.7/go.mod h1:cM//ZKUKyO06HSwqAelJ5NsEMMcpa6VpXe8DOa1Mi1M=
-github.com/go-openapi/errors v0.19.8/go.mod h1:cM//ZKUKyO06HSwqAelJ5NsEMMcpa6VpXe8DOa1Mi1M=
-github.com/go-openapi/errors v0.19.9/go.mod h1:cM//ZKUKyO06HSwqAelJ5NsEMMcpa6VpXe8DOa1Mi1M=
-github.com/go-openapi/errors v0.20.0/go.mod h1:cM//ZKUKyO06HSwqAelJ5NsEMMcpa6VpXe8DOa1Mi1M=
-github.com/go-openapi/jsonpointer v0.17.0/go.mod h1:cOnomiV+CVVwFLk0A/MExoFMjwdsUdVpsRhURCKh+3M=
-github.com/go-openapi/jsonpointer v0.18.0/go.mod h1:cOnomiV+CVVwFLk0A/MExoFMjwdsUdVpsRhURCKh+3M=
 github.com/go-openapi/jsonpointer v0.19.2/go.mod h1:3akKfEdA7DF1sugOqz1dVQHBcuDBPKZGEoHC/NkiQRg=
 github.com/go-openapi/jsonpointer v0.19.3/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg=
-github.com/go-openapi/jsonpointer v0.19.5/go.mod h1:Pl9vOtqEWErmShwVjC8pYs9cog34VGT37dQOVbmoatg=
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@@ -386,7 +263,6 @@ github.com/klauspost/pgzip v1.2.4/go.mod h1:Ch1tH69qFZu15pkjo5kYi6mth2Zzwzt50oCQ
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 github.com/xdg/scram v0.0.0-20180814205039-7eeb5667e42c/go.mod h1:lB8K/P019DLNhemzwFU4jHLhdvlE6uDZjXFejJXr49I=
-github.com/xdg/stringprep v0.0.0-20180714160509-73f8eece6fdc/go.mod h1:Jhud4/sHMO4oL310DaZAKk9ZaJ08SJfe+sJh0HrGL1Y=
 github.com/xdg/stringprep v1.0.0/go.mod h1:Jhud4/sHMO4oL310DaZAKk9ZaJ08SJfe+sJh0HrGL1Y=
 github.com/xi2/xz v0.0.0-20171230120015-48954b6210f8/go.mod h1:HUYIGzjTL3rfEspMxjDjgmT5uz5wzYJKVo23qUhYTos=
 github.com/xiang90/probing v0.0.0-20190116061207-43a291ad63a2/go.mod h1:UETIi67q53MR2AWcXfiuqkDkRtnGDLqkBTpCHuJHxtU=
 github.com/xtaci/kcp-go v5.4.20+incompatible/go.mod h1:bN6vIwHQbfHaHtFpEssmWsN45a+AZwO7eyRCmEIbtvE=
 github.com/xtaci/lossyconn v0.0.0-20190602105132-8df528c0c9ae/go.mod h1:gXtu8J62kEgmN++bm9BVICuT/e8yiLI2KFobd/TRFsE=
-github.com/youmark/pkcs8 v0.0.0-20181117223130-1be2e3e5546d/go.mod h1:rHwXgn7JulP+udvsHwJoVG1YGAP6VLg4y9I5dyZdqmA=
 github.com/yuin/goldmark v1.1.27/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 github.com/yuin/goldmark v1.2.1/go.mod h1:3hX8gzYuyVAZsxl0MRgGTJEmQBFcNTphYh9decYSb74=
 go.etcd.io/bbolt v1.3.2/go.mod h1:IbVyRI1SCnLcuJnV2u8VeU0CEYM7e686BmAb1XKL+uU=
-go.mongodb.org/mongo-driver v1.0.3/go.mod h1:u7ryQJ+DOzQmeO7zB6MHyr8jkEQvC8vH7qLUO4lqsUM=
-go.mongodb.org/mongo-driver v1.1.1/go.mod h1:u7ryQJ+DOzQmeO7zB6MHyr8jkEQvC8vH7qLUO4lqsUM=
-go.mongodb.org/mongo-driver v1.3.0/go.mod h1:MSWZXKOynuguX+JSvwP8i+58jYCXxbia8HS3gZBapIE=
-go.mongodb.org/mongo-driver v1.3.4/go.mod h1:MSWZXKOynuguX+JSvwP8i+58jYCXxbia8HS3gZBapIE=
-go.mongodb.org/mongo-driver v1.4.3/go.mod h1:WcMNYLx/IlOxLe6JRJiv2uXuCz6zBLndR4SoGjYphSc=
-go.mongodb.org/mongo-driver v1.4.4/go.mod h1:WcMNYLx/IlOxLe6JRJiv2uXuCz6zBLndR4SoGjYphSc=
-go.mongodb.org/mongo-driver v1.4.6/go.mod h1:WcMNYLx/IlOxLe6JRJiv2uXuCz6zBLndR4SoGjYphSc=
-go.mongodb.org/mongo-driver v1.5.1/go.mod h1:gRXCHX4Jo7J0IJ1oDQyUxF7jfy19UfxniMS4xxMmUqw=
 go.opencensus.io v0.21.0/go.mod h1:mSImk1erAIZhrmZN+AvHh14ztQfjbGwt4TtuofqLduU=
 go.opencensus.io v0.22.0/go.mod h1:+kGneAE2xo2IficOXnaByMWTGM9T73dGwxeWcUqIpI8=
 go.opencensus.io v0.22.2/go.mod h1:yxeiOL68Rb0Xd1ddK5vPZ/oVn4vY4Ynel7k9FzqtOIw=
@@ -606,13 +452,9 @@ go.uber.org/zap v1.10.0/go.mod h1:vwi/ZaCAaUcBkycHslxD9B2zi4UTXhF60s6SWpuDF0Q=
 golang.org/x/crypto v0.0.0-20180904163835-0709b304e793/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20181029021203-45a5f77698d3/go.mod h1:6SG95UA2DQfeDnfUPMdvaQW0Q7yPrPDi9nlGo2tz2b4=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20190320223903-b7391e95e576/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
-golang.org/x/crypto v0.0.0-20190422162423-af44ce270edf/go.mod h1:WFFai1msRO1wXaEeE5yQxYXgSfI8pQAWXbQop6sCtWE=
 golang.org/x/crypto v0.0.0-20190510104115-cbcb75029529/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.0.0-20190530122614-20be4c3c3ed5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190605123033-f99c8df09eb5/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190611184440-5c40567a22f8/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
-golang.org/x/crypto v0.0.0-20190617133340-57b3e21c3d56/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20190820162420-60c769a6c586/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI=
 golang.org/x/crypto v0.0.0-20191219195013-becbf705a915/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
@@ -655,7 +497,6 @@ golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180826012351-8a410e7b638d/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20180906233101-161cd47e91fd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
-golang.org/x/net v0.0.0-20181005035420-146acd28ed58/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181023162649-9b4f9f5ad519/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181114220301-adae6a3d119a/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20181201002055-351d144fa1fc/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -663,7 +504,6 @@ golang.org/x/net v0.0.0-20181220203305-927f97764cc3/go.mod h1:mL1N/T3taQHkDXs73r
 golang.org/x/net v0.0.0-20190108225652-1e06a53dbb7e/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190213061140-3a22650c66bd/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
-golang.org/x/net v0.0.0-20190320064053-1272bf9dcd53/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190501004415-9ce7a6920f09/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
@@ -680,15 +520,12 @@ golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20200301022130-244492dfa37a/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/net v0.0.0-20200520182314-0ba52f642ac2/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
-golang.org/x/net v0.0.0-20200602114024-627f9648deb9/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
+golang.org/x/net v0.0.0-20201006153459-a7d1128ccaa0/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
-golang.org/x/net v0.0.0-20201110031124-69a78807bb2b/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
-golang.org/x/net v0.0.0-20201202161906-c7110b5ffcbb/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20201209123823-ac852fbbde11/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20201216054612-986b41b23924/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
-golang.org/x/net v0.0.0-20201224014010-6772e930b67b/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
-golang.org/x/net v0.0.0-20210119194325-5f4716e94777/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20210224082022-3d97a244fca7/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
+golang.org/x/net v0.0.0-20210410081132-afb366fc7cd1/go.mod h1:9tjilg8BloeKEkVJvy7fQ90B1CfIiPueXVOjqfkSzI8=
 golang.org/x/net v0.0.0-20210614182718-04defd469f4e h1:XpT3nA5TvE525Ne3hInMh6+GETgn27Zfm9dxsThnX2Q=
 golang.org/x/net v0.0.0-20210614182718-04defd469f4e/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
@@ -700,7 +537,6 @@ golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20181108010431-42b317875d0f/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
-golang.org/x/sync v0.0.0-20190412183630-56d357773e84/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20201020160332-67f06af15bc9/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
@@ -713,18 +549,15 @@ golang.org/x/sys v0.0.0-20181107165924-66b7b1311ac8/go.mod h1:STP8DvDyc/dI5b8T5h
 golang.org/x/sys v0.0.0-20181116152217-5ac8a444bdc5/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190321052220-f7bb7a8bee54/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190403152447-81d4e9dc473e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190419153524-e8e3143a4f4a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190422165155-953cdadca894/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20190531175056-4c3a928424d2/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190616124812-15dcb6c0061f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191001151750-bb3f8db39f24/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -745,7 +578,7 @@ golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201214210602-f9fddec55a1e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210225134936-a50acf3fe073/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/sys v0.0.0-20210320140829-1e4c9ba3b0c4/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da h1:b3NXsE2LusjYGGjL5bxEVZZORm/YEFFrWFjR8eFrw/c=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
@@ -757,7 +590,6 @@ golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.4/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
-golang.org/x/text v0.3.5/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/text v0.3.6 h1:aRYxNxv6iGQlyVaZmk6ZgYEDa+Jg18DxebPSrd6bg1M=
 golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
@@ -766,24 +598,17 @@ golang.org/x/time v0.0.0-20191024005414-555d28b269f0/go.mod h1:tRJNPiyCQ0inRvYxb
 golang.org/x/time v0.0.0-20210220033141-f8bda1e9f3ba/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180221164845-07fd8470d635/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
-golang.org/x/tools v0.0.0-20190125232054-d66bd3c5d5a6/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190312151545-0bb0c0a6e846/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190312170243-e65039ee4138/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190328211700-ab21143f2384/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
-golang.org/x/tools v0.0.0-20190329151228-23e29df326fe/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
-golang.org/x/tools v0.0.0-20190416151739-9c9e1878f421/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
-golang.org/x/tools v0.0.0-20190420181800-aa740d480789/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
 golang.org/x/tools v0.0.0-20190425150028-36563e24a262/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190506145303-2d16b83fe98c/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
 golang.org/x/tools v0.0.0-20190524140312-2c0ae7006135/go.mod h1:RgjU9mgBXZiqYHBnxXauZ1Gv1EHHAz9KjViQ78xBX0Q=
-golang.org/x/tools v0.0.0-20190531172133-b3315ee88b7d/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190606124116-d0a3d012864b/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190614205625-5aca471b1d59/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
-golang.org/x/tools v0.0.0-20190617190820-da514acc4774/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190628153133-6cdbf07be9d0/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190816200558-6889da9d5479/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
@@ -860,6 +685,7 @@ google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8
 google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
 google.golang.org/grpc v1.34.0/go.mod h1:WotjhfgOW/POjDeRt8vscBtXq+2VjORFy659qA51WJ8=
+google.golang.org/grpc v1.37.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
 google.golang.org/grpc v1.38.0 h1:/9BgsAsa5nWe26HqOlvlgJnqBuktYOLCgjCPqsa56W0=
 google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
 google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.0.1/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
@@ -908,10 +734,8 @@ gopkg.in/yaml.v2 v2.3.0/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY=
 gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.0-20200605160147-a5ece683394c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776 h1:tQIYjPdBoyREyB9XMu+nnTclpTYkz2zFM+lzLJFO4gQ=
 gopkg.in/yaml.v3 v3.0.0-20200615113413-eeeca48fe776/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b h1:h8qDotaEPuJATrMmW04NCwg7v22aHH28wwpauUhK9Oo=
-gopkg.in/yaml.v3 v3.0.0-20210107192922-496545a6307b/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
diff --git a/build/ci/.build-container.yml b/build/ci/.build-container.yml
index d35f1c6a2d6a8d0dcae2dcbe2a1b807686ae2786..12dfb819df09e377633a89e1c7db23484925b2a0 100644
--- a/build/ci/.build-container.yml
+++ b/build/ci/.build-container.yml
@@ -12,6 +12,7 @@ variables:
   tags:
     - dind
   script:
+    - docker info
     - >
       docker build \
         --build-arg GITLAB_USER=$GO_MODULES_USER \
diff --git a/cmd/root.go b/cmd/root.go
index 6cd3ea8457455237f38a789131cf59c25f87ab3b..ec5fa3df13acc43d2e05ce6a07e4cb52e049d4d8 100644
--- a/cmd/root.go
+++ b/cmd/root.go
@@ -44,13 +44,9 @@ import (
 )
 
 var cfgFile string
-var username string
-var password string
-var address string
 var loglevel string
 var grpcPort string
-var cliPnd string
-var cliSbi string
+var csbiOrchestrstor string
 
 // rootCmd represents the base command when called without any subcommands
 var rootCmd = &cobra.Command{
@@ -78,12 +74,10 @@ func init() {
 	cobra.OnInitialize(initConfig)
 
 	rootCmd.PersistentFlags().StringVar(&cfgFile, "config", "", "config file (default is ./configs/gosdn.toml)")
-	rootCmd.PersistentFlags().StringVarP(&username, "username", "u", "admin", "username for a gnmi resource")
-	rootCmd.PersistentFlags().StringVarP(&password, "password", "p", "arista", "password for a gnmi resource")
-	rootCmd.PersistentFlags().StringVarP(&address, "address", "a", "ceos-cocsn.apps.ocp.fbi.h-da.de:6030", "address of a gnmi target")
 	rootCmd.PersistentFlags().StringVarP(&loglevel, "log-level", "l", "", "log level 'debug' or 'trace'")
 
 	rootCmd.Flags().StringVar(&grpcPort, "grpc-port", "55055", "port for gRPC NBI")
+	rootCmd.Flags().StringVar(&csbiOrchestrstor, "csbi-orchestrator", "localhost:55056", "csbi orchestrator address")
 }
 
 // initConfig reads in config file and ENV variables if set.
@@ -105,9 +99,8 @@ func initConfig() {
 		log.Debug("Using config file:", viper.ConfigFileUsed())
 	}
 
-	viper.SetDefault("socket", ":"+grpcPort)
-	cliPnd = viper.GetString("CLI_PND")
-	cliSbi = viper.GetString("CLI_SBI")
+	viper.SetDefault("socket", ":55055")
+	viper.SetDefault("csbi-orchestrator", "localhost:55056")
 
 	ll := viper.GetString("GOSDN_LOG")
 	if ll != "" {
diff --git a/controller.go b/controller.go
index f7f90f4668d26dbf9f7cfee92f58775b9c8ac592..aa798f3c0e2fe384aaab716896d18725fdc89574 100644
--- a/controller.go
+++ b/controller.go
@@ -7,9 +7,7 @@ import (
 	"os"
 	"os/signal"
 	"sync"
-	"time"
-
-	"code.fbi.h-da.de/cocsn/gosdn/interfaces/southbound"
+	"syscall"
 
 	"github.com/google/uuid"
 	log "github.com/sirupsen/logrus"
@@ -17,8 +15,10 @@ import (
 	"google.golang.org/grpc"
 
 	pb "code.fbi.h-da.de/cocsn/api/go/gosdn/core"
+	cpb "code.fbi.h-da.de/cocsn/api/go/gosdn/csbi"
 	ppb "code.fbi.h-da.de/cocsn/api/go/gosdn/pnd"
 	spb "code.fbi.h-da.de/cocsn/api/go/gosdn/southbound"
+	"code.fbi.h-da.de/cocsn/gosdn/interfaces/southbound"
 	nbi "code.fbi.h-da.de/cocsn/gosdn/northbound/server"
 
 	"code.fbi.h-da.de/cocsn/gosdn/database"
@@ -38,6 +38,8 @@ type Core struct {
 	grpcServer *grpc.Server
 	nbi        *nbi.NorthboundInterface
 	stopChan   chan os.Signal
+
+	csbiClient cpb.CsbiClient
 }
 
 var c *Core
@@ -50,12 +52,12 @@ func init() {
 	}
 
 	// Setting up signal capturing
-	signal.Notify(c.stopChan, os.Interrupt)
+	signal.Notify(c.stopChan, os.Interrupt, syscall.SIGTERM)
 }
 
 // initialize does start-up housekeeping like reading controller config files
 func initialize() error {
-	if err := startGrpcServer(); err != nil {
+	if err := startGrpc(); err != nil {
 		return err
 	}
 
@@ -65,7 +67,7 @@ func initialize() error {
 	return createSouthboundInterfaces()
 }
 
-func startGrpcServer() error {
+func startGrpc() error {
 	sock := viper.GetString("socket")
 	lis, err := net.Listen("tcp", sock)
 	if err != nil {
@@ -76,11 +78,16 @@ func startGrpcServer() error {
 	c.nbi = nbi.NewNBI(c.pndc)
 	pb.RegisterCoreServer(c.grpcServer, c.nbi.Core)
 	ppb.RegisterPndServer(c.grpcServer, c.nbi.Pnd)
+	cpb.RegisterCsbiServer(c.grpcServer, c.nbi.Csbi)
 	go func() {
 		if err := c.grpcServer.Serve(lis); err != nil {
 			log.Fatal(err)
 		}
 	}()
+
+	orchestrator := viper.GetString("csbi-orchestrator")
+	conn, err := grpc.Dial(orchestrator, grpc.WithInsecure())
+	c.csbiClient = cpb.NewCsbiClient(conn)
 	return nil
 }
 
@@ -92,7 +99,7 @@ func createSouthboundInterfaces() error {
 
 // createPrincipalNetworkDomain initializes the controller with an initial PND
 func createPrincipalNetworkDomain(s southbound.SouthboundInterface) error {
-	pnd, err := nucleus.NewPND("base", "gosdn base pnd", uuid.New(), s)
+	pnd, err := nucleus.NewPND("base", "gosdn base pnd", uuid.New(), s, c.csbiClient, callback)
 	if err != nil {
 		return err
 	}
@@ -120,8 +127,6 @@ func Run(ctx context.Context) error {
 			return shutdown()
 		case <-ctx.Done():
 			return shutdown()
-		case <-time.Tick(time.Minute):
-			log.Debug("up and running")
 		}
 	}
 }
@@ -133,3 +138,13 @@ func shutdown() error {
 	c.grpcServer.GracefulStop()
 	return stopHttpServer()
 }
+
+func callback(id uuid.UUID, ch chan nucleus.DeviceDetails) {
+	if ch != nil {
+		c.pndc.AddPendingChannel(id, ch)
+		log.Infof("pending channel %v added", id)
+	} else {
+		c.pndc.RemovePendingChannel(id)
+		log.Infof("pending channel %v removed", id)
+	}
+}
diff --git a/forks/google/gnmi/model.go b/forks/google/gnmi/model.go
index b30a1de2b741beeba3d3d649aac092dee833c1a9..cf704a545dda6c5f0ca8bc367cfcce93220da010 100644
--- a/forks/google/gnmi/model.go
+++ b/forks/google/gnmi/model.go
@@ -18,13 +18,9 @@ package gnmi
 import (
 	"errors"
 	"fmt"
-	"net"
 	"reflect"
 	"sort"
 
-	oc "code.fbi.h-da.de/cocsn/yang-models/generated/arista"
-	log "github.com/sirupsen/logrus"
-
 	"github.com/openconfig/goyang/pkg/yang"
 	"github.com/openconfig/ygot/ygot"
 	"github.com/openconfig/ygot/ytypes"
@@ -68,16 +64,8 @@ func (m *Model) NewConfigStruct(jsonConfig []byte) (ygot.ValidatedGoStruct, erro
 	if !ok {
 		return nil, errors.New("root node is not a ygot.ValidatedGoStruct")
 	}
-	ifaces, err := getInterfaces()
-	if err != nil {
-		return nil, err
-	}
-	device, ok := rootStruct.(*oc.Device)
-	if !ok {
-		return nil, errors.New("root node is not a oc.Device")
-	}
-	device.Interfaces = ifaces
-	return device, nil
+
+	return rootStruct, nil
 }
 
 // SupportedModels returns a list of supported models.
@@ -89,41 +77,3 @@ func (m *Model) SupportedModels() []string {
 	sort.Strings(mDesc)
 	return mDesc
 }
-
-func getInterfaces() (*oc.OpenconfigInterfaces_Interfaces, error) {
-	ifaces, err := net.Interfaces()
-	if err != nil {
-		log.Fatal()
-	}
-	interfaces := &oc.OpenconfigInterfaces_Interfaces{
-		Interface: make(map[string]*oc.OpenconfigInterfaces_Interfaces_Interface),
-	}
-
-	for _, tInterface := range ifaces {
-		var mtu *uint16
-		var name *string
-		var index *uint32
-
-		rmtu := uint16(tInterface.MTU)
-		rname := tInterface.Name
-		rindex := uint32(tInterface.Index)
-
-		mtu = &rmtu
-		name = &rname
-		index = &rindex
-
-		iface, err := interfaces.NewInterface(tInterface.Name)
-		if err != nil {
-			return nil, err
-		}
-		iface.State = &oc.OpenconfigInterfaces_Interfaces_Interface_State{
-			Ifindex: &rindex,
-			Mtu:     &rmtu,
-			Name:    &rname,
-		}
-		iface.State.Name = name
-		iface.State.Mtu = mtu
-		iface.State.Ifindex = index
-	}
-	return interfaces, nil
-}
diff --git a/go.mod b/go.mod
index 6865792f925c4998316ed4fa362d3c612ff4a0fb..73bcdbdd5d3d5b48dd0ad19f9935fc68a4ebaece 100644
--- a/go.mod
+++ b/go.mod
@@ -4,17 +4,19 @@ go 1.16
 
 require (
 	code.fbi.h-da.de/cocsn/api v0.2.2
-	code.fbi.h-da.de/cocsn/gosdn/interfaces v0.0.0-20210621171149-af262ac22994
+	code.fbi.h-da.de/cocsn/gosdn/interfaces v0.0.0-20210622165328-71801e150967
 	code.fbi.h-da.de/cocsn/yang-models v0.0.7
 	github.com/aristanetworks/goarista v0.0.0-20201120222254-94a892eb0c6a
 	github.com/docker/docker v20.10.6+incompatible
 	github.com/golang/protobuf v1.5.2
 	github.com/google/gnxi v0.0.0-20210423111716-4b504ef806a7
 	github.com/google/uuid v1.2.0
+	github.com/imdario/mergo v0.3.11 // indirect
 	github.com/neo4j/neo4j-go-driver v1.8.3
+	github.com/onsi/gomega v1.10.3 // indirect
 	github.com/openconfig/gnmi v0.0.0-20210527163611-d3a3e30199da
 	github.com/openconfig/goyang v0.2.4
-	github.com/openconfig/ygot v0.10.11
+	github.com/openconfig/ygot v0.10.13
 	github.com/sirupsen/logrus v1.8.1
 	github.com/spf13/cobra v1.1.3
 	github.com/spf13/viper v1.7.1
diff --git a/go.sum b/go.sum
index 14e56f925c5863f3d11ead60bf83bdb228b917b5..89bf7388733eeabbc145e36a99f72376d72de1f9 100644
--- a/go.sum
+++ b/go.sum
@@ -23,8 +23,8 @@ cloud.google.com/go/storage v1.5.0/go.mod h1:tpKbwo567HUNpVclU5sGELwQWBDZ8gh0Zeo
 cloud.google.com/go/storage v1.6.0/go.mod h1:N7U0C8pVQ/+NIKOBQyamJIeKQKkZ+mxpohlUTyfDhBk=
 code.fbi.h-da.de/cocsn/api v0.2.2 h1:pJ1P3+l8Fl+JWEkoLTSBOvB6LrxUYYqRbfdt+eSWQSk=
 code.fbi.h-da.de/cocsn/api v0.2.2/go.mod h1:s+P4Lrxl5rHyo/Q0UTABZrDfH4zuAoRKdzktlL0UsRI=
-code.fbi.h-da.de/cocsn/gosdn/interfaces v0.0.0-20210621171149-af262ac22994 h1:jk4fxZU1nqhnrkGKUo6a67jBv6CJPxra61LbeiN+D1w=
-code.fbi.h-da.de/cocsn/gosdn/interfaces v0.0.0-20210621171149-af262ac22994/go.mod h1:lSkrE5ukbNKhqjAYr3v37dT1iMqZmeBdTWNVj3Wfa4o=
+code.fbi.h-da.de/cocsn/gosdn/interfaces v0.0.0-20210622165328-71801e150967 h1:0ikDD6x3nZU8HZHTpSbXxYn8nuNr/YwEIuw9EehCz7U=
+code.fbi.h-da.de/cocsn/gosdn/interfaces v0.0.0-20210622165328-71801e150967/go.mod h1:lSkrE5ukbNKhqjAYr3v37dT1iMqZmeBdTWNVj3Wfa4o=
 code.fbi.h-da.de/cocsn/yang-models v0.0.7 h1:3TOo8J+EdAJKeq4o3aaNWZRhjSwguIS8wciW1U9PkSk=
 code.fbi.h-da.de/cocsn/yang-models v0.0.7/go.mod h1:M+2HinfhTT8nA8qvn2cpWNlOtuiizTNDWA3yfy72K/g=
 dmitri.shuralyov.com/gpu/mtl v0.0.0-20190408044501-666a987793e9/go.mod h1:H6x//7gZCb22OMCxBHrMx7a5I7Hp++hsVxbQ4BYO7hU=
@@ -235,11 +235,11 @@ github.com/hashicorp/logutils v1.0.0/go.mod h1:QIAnNjmIWmVIIkWDTG1z5v++HQmx9WQRO
 github.com/hashicorp/mdns v1.0.0/go.mod h1:tL+uN++7HEJ6SQLQ2/p+z2pH24WQKWjBPkE0mNTz8vQ=
 github.com/hashicorp/memberlist v0.1.3/go.mod h1:ajVTdAv/9Im8oMAAj5G31PhhMCZJV2pPBoIllUwCN7I=
 github.com/hashicorp/serf v0.8.2/go.mod h1:6hOLApaqBFA1NXqRQAsxw9QxuDEvNxSQRwA/JwenrHc=
-github.com/hpcloud/tail v1.0.0 h1:nfCOvKYfkgYP8hkirhJocXT2+zOD8yUNjXaWfTlyFKI=
 github.com/hpcloud/tail v1.0.0/go.mod h1:ab1qPbhIpdTxEkNHXyeSf5vhxWSCs/tWer42PpOxQnU=
 github.com/ianlancetaylor/demangle v0.0.0-20181102032728-5e5cf60278f6/go.mod h1:aSSvb/t6k1mPoxDqO4vJh6VOCGPwU4O0C2/Eqndh1Sc=
-github.com/imdario/mergo v0.3.5 h1:JboBksRwiiAJWvIYJVo46AfV+IAIKZpfrSzVKj42R4Q=
 github.com/imdario/mergo v0.3.5/go.mod h1:2EnlNZ0deacrJVfApfmtdGgDfMuh/nq6Ok1EcJh5FfA=
+github.com/imdario/mergo v0.3.11 h1:3tnifQM4i+fbajXKBHXWEH+KvNHqojZ778UH75j3bGA=
+github.com/imdario/mergo v0.3.11/go.mod h1:jmQim1M+e3UYxmgPu/WyfjB3N3VflVyUjjjwH0dnCYA=
 github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM=
 github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8=
 github.com/influxdata/influxdb1-client v0.0.0-20191209144304-8bf82d3c094d/go.mod h1:qj24IKcXYK6Iy9ceXlo3Tc+vtHo9lIhSX5JddghvEPo=
@@ -315,18 +315,22 @@ github.com/neo4j/neo4j-go-driver v1.8.3/go.mod h1:ncO5VaFWh0Nrt+4KT4mOZboaczBZcL
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e h1:fD57ERR4JtEqsWbfPhv4DMiApHyliiK5xCTNVSPiaAs=
 github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e/go.mod h1:zD1mROLANZcx1PVRCS0qkT7pwLkGfwJo4zjcN/Tysno=
 github.com/nwaples/rardecode v1.1.0/go.mod h1:5DzqNKiOdpKKBH87u8VlvAnPZMXcGRhxWkRpHbbfGS0=
+github.com/nxadm/tail v1.4.4 h1:DQuhQpB1tVlglWS2hLQ5OV6B5r8aGxSrPc5Qo6uTN78=
+github.com/nxadm/tail v1.4.4/go.mod h1:kenIhsEOeOJmVchQTgglprH7qJGnHDVpk1VPCcaMI8A=
 github.com/oklog/ulid v1.3.1/go.mod h1:CirwcVhetQ6Lv90oh/F+FBtV6XMibvdAFo93nm5qn4U=
 github.com/onsi/ginkgo v0.0.0-20170829012221-11459a886d9c/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
 github.com/onsi/ginkgo v1.6.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
 github.com/onsi/ginkgo v1.10.1/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
 github.com/onsi/ginkgo v1.11.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
-github.com/onsi/ginkgo v1.12.0 h1:Iw5WCbBcaAAd0fpRb1c9r5YCylv4XDoCSigm1zLevwU=
 github.com/onsi/ginkgo v1.12.0/go.mod h1:oUhWkIvk5aDxtKvDDuw8gItl8pKl42LzjC9KZE0HfGg=
+github.com/onsi/ginkgo v1.12.1 h1:mFwc4LvZ0xpSvDZ3E+k8Yte0hLOMxXUlP+yXtJqkYfQ=
+github.com/onsi/ginkgo v1.12.1/go.mod h1:zj2OWP4+oCPe1qIXoGWkgMRwljMUYCdkwsT2108oapk=
 github.com/onsi/gomega v0.0.0-20170829124025-dcabb60a477c/go.mod h1:C1qb7wdrVGGVU+Z6iS04AVkA3Q65CEZX59MT0QO5uiA=
 github.com/onsi/gomega v1.7.0/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
 github.com/onsi/gomega v1.7.1/go.mod h1:XdKZgCCFLUoM/7CFJVPcG8C1xQ1AJ0vpAezJrB7JYyY=
-github.com/onsi/gomega v1.9.0 h1:R1uwffexN6Pr340GtYRIdZmAiN4J+iw6WG4wog1DUXg=
 github.com/onsi/gomega v1.9.0/go.mod h1:Ho0h+IUsWyvy1OpqCwxlQ/21gkhVunqlU8fDGcoTdcA=
+github.com/onsi/gomega v1.10.3 h1:gph6h/qe9GSUw1NhH1gp+qb+h8rXD8Cy60Z32Qw3ELA=
+github.com/onsi/gomega v1.10.3/go.mod h1:V9xEwhxec5O8UDM77eCW8vLymOMltsqPVYWrpDsH8xc=
 github.com/openconfig/gnmi v0.0.0-20190823184014-89b2bf29312c/go.mod h1:t+O9It+LKzfOAhKTT5O0ehDix+MTqbtT0T9t+7zzOvc=
 github.com/openconfig/gnmi v0.0.0-20200414194230-1597cc0f2600/go.mod h1:M/EcuapNQgvzxo1DDXHK4tx3QpYM/uG4l591v33jG2A=
 github.com/openconfig/gnmi v0.0.0-20200508230933-d19cebf5e7be/go.mod h1:M/EcuapNQgvzxo1DDXHK4tx3QpYM/uG4l591v33jG2A=
@@ -338,12 +342,14 @@ github.com/openconfig/goyang v0.2.2/go.mod h1:vX61x01Q46AzbZUzG617vWqh/cB+aisc+R
 github.com/openconfig/goyang v0.2.3/go.mod h1:vX61x01Q46AzbZUzG617vWqh/cB+aisc+RrNkXRd3W8=
 github.com/openconfig/goyang v0.2.4 h1:xGmGr3zuhq9ASCu5jRdtMFdRnixhbg8TJEQ0nylyvxA=
 github.com/openconfig/goyang v0.2.4/go.mod h1:vX61x01Q46AzbZUzG617vWqh/cB+aisc+RrNkXRd3W8=
+github.com/openconfig/gribi v0.1.1-0.20210423184541-ce37eb4ba92f/go.mod h1:OoH46A2kV42cIXGyviYmAlGmn6cHjGduyC2+I9d/iVs=
 github.com/openconfig/reference v0.0.0-20190727015836-8dfd928c9696/go.mod h1:ym2A+zigScwkSEb/cVQB0/ZMpU3rqiH6X7WRRsxgOGw=
 github.com/openconfig/ygot v0.6.0/go.mod h1:o30svNf7O0xK+R35tlx95odkDmZWS9JyWWQSmIhqwAs=
 github.com/openconfig/ygot v0.9.0/go.mod h1:oCQNdXnv7dWc8scTDgoFkauv1wwplJn5HspHcjlxSAQ=
 github.com/openconfig/ygot v0.10.0/go.mod h1:oCQNdXnv7dWc8scTDgoFkauv1wwplJn5HspHcjlxSAQ=
-github.com/openconfig/ygot v0.10.11 h1:qxdyjBV8hl82vNjW+AqvC+wzUV0b3sKmgs9npS5s+0c=
-github.com/openconfig/ygot v0.10.11/go.mod h1:oCQNdXnv7dWc8scTDgoFkauv1wwplJn5HspHcjlxSAQ=
+github.com/openconfig/ygot v0.10.4/go.mod h1:oCQNdXnv7dWc8scTDgoFkauv1wwplJn5HspHcjlxSAQ=
+github.com/openconfig/ygot v0.10.13 h1:gxbLGbD0zzh/4yOpGt81hBbhQes2GiQeINrrzh65nTE=
+github.com/openconfig/ygot v0.10.13/go.mod h1:NDGFcX73PnipISpF8yuDpwrsOAl6vqqK4mNPvscWzXA=
 github.com/opencontainers/go-digest v1.0.0/go.mod h1:0JzlMkj0TRzQZfJkVvzbP0HBR3IKzErnv2BNG4W4MAM=
 github.com/pascaldekloe/goe v0.0.0-20180627143212-57f6aae5913c/go.mod h1:lzWF7FIEvWOWxwDKqyGYQf6ZUaNfKdP144TG7ZOy1lc=
 github.com/pborman/getopt v0.0.0-20190409184431-ee0cd42419d3/go.mod h1:85jBQOZwpVEaDAr341tbn15RS4fCAsIst0qp7i8ex1o=
@@ -526,10 +532,12 @@ golang.org/x/net v0.0.0-20200226121028-0de0cce0169b/go.mod h1:z5CRVTTTmAJ677TzLL
 golang.org/x/net v0.0.0-20200301022130-244492dfa37a/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20200324143707-d3edc9973b7e/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
 golang.org/x/net v0.0.0-20200520182314-0ba52f642ac2/go.mod h1:qpuaurCH72eLCgpAm/N6yyVIVM9cpaDIP3A8BGJEC5A=
+golang.org/x/net v0.0.0-20201006153459-a7d1128ccaa0/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20201021035429-f5854403a974/go.mod h1:sp8m0HH+o8qH0wwXwYZr8TS3Oi6o0r6Gce1SSxlDquU=
 golang.org/x/net v0.0.0-20201209123823-ac852fbbde11/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20201216054612-986b41b23924/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
 golang.org/x/net v0.0.0-20210224082022-3d97a244fca7/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg=
+golang.org/x/net v0.0.0-20210410081132-afb366fc7cd1/go.mod h1:9tjilg8BloeKEkVJvy7fQ90B1CfIiPueXVOjqfkSzI8=
 golang.org/x/net v0.0.0-20210614182718-04defd469f4e h1:XpT3nA5TvE525Ne3hInMh6+GETgn27Zfm9dxsThnX2Q=
 golang.org/x/net v0.0.0-20210614182718-04defd469f4e/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
@@ -562,6 +570,7 @@ golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20190616124812-15dcb6c0061f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190624142023-c5567b49c5d0/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190726091711-fc99dfbffb4e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190904154756-749cb33beabd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190916202348-b4ddaad3f8a3/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191001151750-bb3f8db39f24/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20191005200804-aed5e4c7ecf9/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
@@ -582,6 +591,7 @@ golang.org/x/sys v0.0.0-20200930185726-fdedc70b468f/go.mod h1:h1NjWce9XRLGQEsW7w
 golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20201214210602-f9fddec55a1e/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210225134936-a50acf3fe073/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20210330210617-4fbd30eecc44/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da h1:b3NXsE2LusjYGGjL5bxEVZZORm/YEFFrWFjR8eFrw/c=
 golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/term v0.0.0-20201117132131-f5c789dd3221/go.mod h1:Nr5EML6q2oocZ2LXRh80K7BxOlk5/8JxuGnuhpl+muw=
@@ -691,6 +701,7 @@ google.golang.org/grpc v1.27.0/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8
 google.golang.org/grpc v1.27.1/go.mod h1:qbnxyOmOxrQa7FizSgH+ReBfzJrCY1pSN7KXBS8abTk=
 google.golang.org/grpc v1.29.1/go.mod h1:itym6AZVZYACWQqET3MqgPpjcuV5QH3BxFS3IjizoKk=
 google.golang.org/grpc v1.34.0/go.mod h1:WotjhfgOW/POjDeRt8vscBtXq+2VjORFy659qA51WJ8=
+google.golang.org/grpc v1.37.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
 google.golang.org/grpc v1.38.0 h1:/9BgsAsa5nWe26HqOlvlgJnqBuktYOLCgjCPqsa56W0=
 google.golang.org/grpc v1.38.0/go.mod h1:NREThFqKR1f3iQ6oBuvc5LadQuXVGo9rkm5ZGrQdJfM=
 google.golang.org/grpc/cmd/protoc-gen-go-grpc v1.0.1/go.mod h1:6Kw0yEErY5E/yWrBtf03jp27GLLJujG4z/JK95pnjjw=
@@ -716,7 +727,6 @@ gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f/go.mod h1:Co6ibVJAznAaIkqp8
 gopkg.in/check.v1 v1.0.0-20200902074654-038fdea0a05b h1:QRR6H1YWRnHb4Y/HeNFCTJLFVxaq6wH4YuVdsUOr75U=
 gopkg.in/check.v1 v1.0.0-20200902074654-038fdea0a05b/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
-gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
 gopkg.in/inf.v0 v0.9.1 h1:73M5CoZyi3ZLMOyDlQh031Cx6N9NDJ2Vvfl76EDAgDc=
 gopkg.in/inf.v0 v0.9.1/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
diff --git a/interfaces/southbound/sbi.go b/interfaces/southbound/sbi.go
index 0d4cdb56fd5290a849e33bd107a2ef55e31e3748..800d1a1f4c8b1b3a4dffea33b9bd745a27ec485c 100644
--- a/interfaces/southbound/sbi.go
+++ b/interfaces/southbound/sbi.go
@@ -2,6 +2,7 @@ package southbound
 
 import (
 	spb "code.fbi.h-da.de/cocsn/api/go/gosdn/southbound"
+	"github.com/openconfig/ygot/ygot"
 
 	"github.com/google/uuid"
 	gpb "github.com/openconfig/gnmi/proto/gnmi"
@@ -18,8 +19,9 @@ type SouthboundInterface interface { // nolint
 	// SetNode injects SBI specific model
 	// representation to the transport.
 	// Needed for type assertion.
-	SetNode() func(schema *yang.Entry, root interface{}, path *gpb.Path, val interface{}, opts ...ytypes.SetNodeOpt) error
+	SetNode(schema *yang.Entry, root interface{}, path *gpb.Path, val interface{}, opts ...ytypes.SetNodeOpt) error
 	Schema() *ytypes.Schema
 	ID() uuid.UUID
 	Type() spb.Type
+	Unmarshal([]byte, []string, ygot.ValidatedGoStruct, ...ytypes.UnmarshalOpt) error
 }
diff --git a/northbound/server/core.go b/northbound/server/core.go
index 0bc9415fae5eace64856a30683ed71bf01c872df..30c44aafcaca14b59590e7c7bcf4e6ee944e03da 100644
--- a/northbound/server/core.go
+++ b/northbound/server/core.go
@@ -65,7 +65,7 @@ func (s core) Set(ctx context.Context, request *pb.SetRequest) (*pb.SetResponse,
 	for _, r := range request.Pnd {
 		sbi := nucleus.NewSBI(spb.Type_OPENCONFIG)
 
-		pnd, err := nucleus.NewPND(r.Name, r.Description, uuid.New(), sbi)
+		pnd, err := nucleus.NewPND(r.Name, r.Description, uuid.New(), sbi, nil, nil)
 		if err != nil {
 			return nil, status.Errorf(codes.Aborted, "%v", err)
 		}
diff --git a/northbound/server/csbi.go b/northbound/server/csbi.go
new file mode 100644
index 0000000000000000000000000000000000000000..85e3dd926d9437f6261e8c8a57ea78e5ab6f66f0
--- /dev/null
+++ b/northbound/server/csbi.go
@@ -0,0 +1,35 @@
+package server
+
+import (
+	"context"
+	"time"
+
+	log "github.com/sirupsen/logrus"
+
+	cpb "code.fbi.h-da.de/cocsn/api/go/gosdn/csbi"
+	"code.fbi.h-da.de/cocsn/gosdn/nucleus"
+	"google.golang.org/grpc/codes"
+	"google.golang.org/grpc/status"
+)
+
+type csbi struct {
+	cpb.UnimplementedCsbiServer
+}
+
+func (s csbi) Hello(ctx context.Context, syn *cpb.Syn) (*cpb.Ack, error) {
+	ch, err := pndc.PendingChannels(nucleus.FromString(syn.Id))
+	if err != nil {
+		log.Error(err)
+		return nil, status.Errorf(codes.Aborted, "pending channel %v", err)
+	}
+	ch <- nucleus.DeviceDetails{
+		ID:      syn.Id,
+		Address: syn.Address,
+	}
+	details := <-ch
+	log.Infof("ack to csbi %v", syn.Id)
+	return &cpb.Ack{
+		Timestamp:       time.Now().UnixNano(),
+		TransportOption: details.TransportOption,
+	}, nil
+}
diff --git a/northbound/server/nbi.go b/northbound/server/nbi.go
index 931dc4795f1c073ea6693f838726cf40e51675aa..eae15ec9f7cdb7613a88b1103fd03aa8ee2a2150 100644
--- a/northbound/server/nbi.go
+++ b/northbound/server/nbi.go
@@ -11,6 +11,7 @@ var pndc *nucleus.PndStore
 type NorthboundInterface struct {
 	Pnd  *pndServer
 	Core *core
+	Csbi *csbi
 }
 
 // NewNBI receives a PndStore and returns a new gRPC *NorthboundInterface
@@ -19,5 +20,6 @@ func NewNBI(pnds *nucleus.PndStore) *NorthboundInterface {
 	return &NorthboundInterface{
 		Pnd:  &pndServer{},
 		Core: &core{},
+		Csbi: &csbi{},
 	}
 }
diff --git a/northbound/server/pnd.go b/northbound/server/pnd.go
index f0f8248b06905d4cfe3adaeec8dd960a40c6a287..8b69680c016502ef5084815319b8cd9a5d21118e 100644
--- a/northbound/server/pnd.go
+++ b/northbound/server/pnd.go
@@ -39,8 +39,11 @@ func (p pndServer) Get(ctx context.Context, request *ppb.GetRequest) (*ppb.GetRe
 		return handleGetSbi(pid, req)
 	case *ppb.GetRequest_Change:
 		return handleGetChange(pid, req)
+	case *ppb.GetRequest_Path:
+		return handleGetPath(pid, req)
 	default:
-		return nil, errors.ErrOperationNotSupported{Op: reflect.TypeOf(request.Request)}
+		log.Error(err)
+		return nil, status.Errorf(codes.Aborted, "%v", errors.ErrOperationNotSupported{Op: reflect.TypeOf(request.Request)})
 	}
 }
 
@@ -143,6 +146,32 @@ func handleGetChange(pid uuid.UUID, req *ppb.GetRequest_Change) (*ppb.GetRespons
 	}, nil
 }
 
+func handleGetPath(pid uuid.UUID, req *ppb.GetRequest_Path) (*ppb.GetResponse, error) {
+	pnd, err := pndc.GetPND(pid)
+	if err != nil {
+		log.Error(err)
+		return nil, status.Errorf(codes.Aborted, "%v", err)
+	}
+	duid, err := uuid.Parse(req.Path.Did)
+	if err != nil {
+		log.Error(err)
+		return nil, status.Errorf(codes.Aborted, "%v", err)
+	}
+	if err := pnd.Request(duid, req.Path.Path); err != nil {
+		log.Error(err)
+		return nil, status.Errorf(codes.Aborted, "%v", err)
+	}
+	ond, err := fillOnds(pnd, false, req.Path.Did)
+	if err != nil {
+		log.Error(err)
+		return nil, status.Errorf(codes.Aborted, "%v", err)
+	}
+	return &ppb.GetResponse{
+		Timestamp: time.Now().UnixNano(),
+		Ond:       ond,
+	}, nil
+}
+
 func fillSbis(pnd networkdomain.NetworkDomain, all bool, sid ...string) ([]*spb.SouthboundInterface, error) {
 	var sbiList []uuid.UUID
 
diff --git a/nucleus/device.go b/nucleus/device.go
index 716deb687c90fe26d5d68bf6e0e607236dbaef3a..d155b0c6ab1262a31ab3d8eb5134fdb6dcc73a32 100644
--- a/nucleus/device.go
+++ b/nucleus/device.go
@@ -22,9 +22,25 @@ func NewDevice(name string, opt *tpb.TransportOption, sbi southbound.SouthboundI
 		name = namesgenerator.GetRandomName(0)
 	}
 
+	root, err := ygot.DeepCopy(sbi.Schema().Root)
+	if err != nil {
+		return nil, err
+	}
+	if opt.Csbi {
+		return &CsbiDevice{
+			CommonDevice: CommonDevice{
+				UUID:      uuid.New(),
+				GoStruct:  root,
+				sbi:       sbi,
+				transport: t,
+				name:      name,
+			},
+		}, nil
+	}
+
 	return &CommonDevice{
 		UUID:      uuid.New(),
-		GoStruct:  sbi.Schema().Root,
+		GoStruct:  root,
 		sbi:       sbi,
 		transport: t,
 		name:      name,
@@ -94,31 +110,38 @@ func (d *CommonDevice) ProcessResponse(resp proto.Message) error {
 	return d.transport.ProcessResponse(resp, d.GoStruct, d.sbi.Schema())
 }
 
-type csbiDevice struct {
+// CsbiDevice is used for the cSBI functionality.
+type CsbiDevice struct {
 	CommonDevice
 }
 
 // ID returns the UUID of the Device
-func (d *csbiDevice) ID() uuid.UUID {
+func (d *CsbiDevice) ID() uuid.UUID {
 	return d.UUID
 }
 
-func (d *csbiDevice) Model() ygot.GoStruct {
+// Model returns the ygot representation of the Device
+func (d *CsbiDevice) Model() ygot.GoStruct {
 	return d.GoStruct
 }
 
-func (d *csbiDevice) Transport() transport.Transport {
+// Transport returns the Transport of the device
+func (d *CsbiDevice) Transport() transport.Transport {
 	return d.transport
 }
 
-func (d *csbiDevice) Name() string {
+// Name returns the name of the device
+func (d *CsbiDevice) Name() string {
 	return d.name
 }
 
-func (d *csbiDevice) SBI() southbound.SouthboundInterface {
+// SBI returns the sbi of the Device
+func (d *CsbiDevice) SBI() southbound.SouthboundInterface {
 	return d.sbi
 }
 
-func (d *csbiDevice) ProcessResponse(resp proto.Message) error {
+// ProcessResponse processes a response for the Device
+func (d *CsbiDevice) ProcessResponse(resp proto.Message) error {
+	// TODO: callback to send response to caller
 	return d.transport.ProcessResponse(resp, d.GoStruct, d.sbi.Schema())
 }
diff --git a/nucleus/gnmi_transport.go b/nucleus/gnmi_transport.go
index 77f078aa69c32a501adde00c46d2d1fc3f5a1677..06611db2a1a0af73141c55e5ea4ebce52f09e5dc 100644
--- a/nucleus/gnmi_transport.go
+++ b/nucleus/gnmi_transport.go
@@ -2,6 +2,7 @@ package nucleus
 
 import (
 	"context"
+	"fmt"
 	"reflect"
 
 	"code.fbi.h-da.de/cocsn/gosdn/interfaces/southbound"
@@ -35,7 +36,7 @@ var opmap = map[ppb.ApiOperation]string{
 type Gnmi struct {
 	SetNode   func(schema *yang.Entry, root interface{}, path *gpb.Path, val interface{}, opts ...ytypes.SetNodeOpt) error
 	RespChan  chan *gpb.SubscribeResponse
-	Unmarshal func([]byte, []string, interface{}, ...ytypes.UnmarshalOpt) error
+	Unmarshal func([]byte, []string, ygot.ValidatedGoStruct, ...ytypes.UnmarshalOpt) error
 	Options   *tpb.TransportOption
 	client    gpb.GNMIClient
 	config    *gnmi.Config
@@ -66,11 +67,12 @@ func newGnmiTransport(opts *tpb.TransportOption, sbi southbound.SouthboundInterf
 		"tls":    opts.Tls,
 	}).Info("building new gNMI transport")
 	return &Gnmi{
-		SetNode:  sbi.SetNode(),
-		RespChan: make(chan *gpb.SubscribeResponse),
-		Options:  opts,
-		client:   c,
-		config:   gnmiConfig,
+		SetNode:   sbi.SetNode,
+		RespChan:  make(chan *gpb.SubscribeResponse),
+		Unmarshal: sbi.Unmarshal,
+		Options:   opts,
+		client:    c,
+		config:    gnmiConfig,
 	}, nil
 }
 
@@ -117,7 +119,7 @@ func (g *Gnmi) Set(ctx context.Context, args ...interface{}) error {
 				Value: o,
 				Type:  reflect.TypeOf("placeholder"),
 			}
-		} else if attrs == nil || len(attrs) == 0 {
+		} else if len(attrs) == 0 {
 			return &errors.ErrInvalidParameters{
 				Func:  "nucleus.Set()",
 				Param: "no parameters provided",
@@ -138,15 +140,15 @@ func (g *Gnmi) Set(ctx context.Context, args ...interface{}) error {
 	ops := make([]*gnmi.Operation, 0)
 	exts := make([]*gnmi_ext.Extension, 0)
 	for _, p := range opts {
-		switch p.(type) {
+		switch p := p.(type) {
 		case *gnmi.Operation:
-			op := p.(*gnmi.Operation)
+			op := p
 			if op.Target == "" {
 				op.Target = g.Options.Address
 			}
 			ops = append(ops, op)
 		case *gnmi_ext.Extension:
-			exts = append(exts, p.(*gnmi_ext.Extension))
+			exts = append(exts, p)
 		default:
 			return &errors.ErrInvalidParameters{
 				Func:  "nucleus.Set()",
@@ -223,28 +225,50 @@ func (g *Gnmi) Type() string {
 	return "gnmi"
 }
 
-// ProcessResponse takes a gNMI response and serializes the contents to the root struct.
+// ProcessResponse takes a gNMI response and serializes the contents to the
+// root struct. It logs all errors and returns an error containing the number
+// off errors encountered during the process.
 func (g *Gnmi) ProcessResponse(resp interface{}, root interface{}, s *ytypes.Schema) error {
 	models := s.SchemaTree
-	r := resp.(*gpb.GetResponse)
+	d, ok := root.(ygot.ValidatedGoStruct)
+	if !ok {
+		return &errors.ErrInvalidTypeAssertion{}
+	}
+	r, ok := resp.(*gpb.GetResponse)
+	if !ok {
+		return &errors.ErrInvalidTypeAssertion{}
+	}
 	rn := r.Notification
+	errs := make([]error, 0)
 	for _, msg := range rn {
 		for _, update := range msg.Update {
 			path := update.Path
-			fullPath := path
-			val, ok := update.Val.Value.(*gpb.TypedValue_JsonIetfVal)
-			if ok {
+			switch val := update.Val.Value.(type) {
+			case *gpb.TypedValue_JsonVal:
 				opts := []ytypes.UnmarshalOpt{&ytypes.IgnoreExtraFields{}}
-				return g.Unmarshal(val.JsonIetfVal, pathutils.ToStrings(fullPath), root, opts...)
-			}
-			// TODO(mk): Evaluate hardcoded model key
-			schema := models["Device"]
-			opts := []ytypes.SetNodeOpt{&ytypes.InitMissingElements{}, &ytypes.TolerateJSONInconsistencies{}}
-			if err := g.SetNode(schema, root, update.Path, update.Val, opts...); err != nil {
-				return err
+				if err := g.Unmarshal(val.JsonVal, pathutils.ToStrings(path), d, opts...); err != nil {
+					errs = append(errs, err)
+				}
+			case *gpb.TypedValue_JsonIetfVal:
+				opts := []ytypes.UnmarshalOpt{&ytypes.IgnoreExtraFields{}}
+				if err := g.Unmarshal(val.JsonIetfVal, pathutils.ToStrings(path), d, opts...); err != nil {
+					errs = append(errs, err)
+				}
+			default:
+				schema := models["Device"]
+				opts := []ytypes.SetNodeOpt{&ytypes.InitMissingElements{}, &ytypes.TolerateJSONInconsistencies{}}
+				if err := g.SetNode(schema, root, update.Path, update.Val, opts...); err != nil {
+					errs = append(errs, err)
+				}
 			}
 		}
 	}
+	for _, e := range errs {
+		log.Error(e)
+	}
+	if len(errs) != 0 {
+		return fmt.Errorf("encountered %v errors during response processing", len(errs))
+	}
 	return nil
 }
 
diff --git a/nucleus/gnmi_transport_test.go b/nucleus/gnmi_transport_test.go
index e3d418e741e8d25ff903b15ee856131b82db7a44..cb15e1eea8da2f3d3c483c6f1d74bc6a9b280ad4 100644
--- a/nucleus/gnmi_transport_test.go
+++ b/nucleus/gnmi_transport_test.go
@@ -257,8 +257,8 @@ func TestGnmi_ProcessResponse(t *testing.T) {
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
 			g := &Gnmi{
-				SetNode:   tt.fields.Sbi.SetNode(),
-				Unmarshal: tt.fields.Sbi.(*OpenConfig).Unmarshal(),
+				SetNode:   tt.fields.Sbi.SetNode,
+				Unmarshal: tt.fields.Sbi.(*OpenConfig).Unmarshal,
 			}
 			s := tt.fields.Sbi.Schema()
 			resp := gnmiMessages[tt.args.path]
diff --git a/nucleus/principalNetworkDomain.go b/nucleus/principalNetworkDomain.go
index 2a25b7bdd1b259353d66ad1001e72b3363494281..a5b61317957211f195525ab4a6f7745245f4dd24 100644
--- a/nucleus/principalNetworkDomain.go
+++ b/nucleus/principalNetworkDomain.go
@@ -4,7 +4,9 @@ import (
 	"context"
 	"encoding/json"
 	"reflect"
+	"time"
 
+	cpb "code.fbi.h-da.de/cocsn/api/go/gosdn/csbi"
 	ppb "code.fbi.h-da.de/cocsn/api/go/gosdn/pnd"
 	tpb "code.fbi.h-da.de/cocsn/api/go/gosdn/transport"
 	"google.golang.org/protobuf/proto"
@@ -24,7 +26,7 @@ import (
 )
 
 // NewPND creates a Principle Network Domain
-func NewPND(name, description string, id uuid.UUID, sbi southbound.SouthboundInterface) (networkdomain.NetworkDomain, error) {
+func NewPND(name, description string, id uuid.UUID, sbi southbound.SouthboundInterface, c cpb.CsbiClient, callback func(uuid.UUID, chan DeviceDetails)) (networkdomain.NetworkDomain, error) {
 	pnd := &pndImplementation{
 		name:             name,
 		description:      description,
@@ -35,6 +37,9 @@ func NewPND(name, description string, id uuid.UUID, sbi southbound.SouthboundInt
 		confirmedChanges: ChangeStore{genericStore{}},
 		id:               id,
 		errChans:         make(map[uuid.UUID]chan error),
+
+		csbiClient: c,
+		callback:   callback,
 	}
 	if err := pnd.sbic.Add(sbi); err != nil {
 		return nil, err
@@ -52,6 +57,9 @@ type pndImplementation struct {
 	confirmedChanges ChangeStore
 	id               uuid.UUID
 	errChans         map[uuid.UUID]chan error
+
+	csbiClient cpb.CsbiClient
+	callback   func(uuid.UUID, chan DeviceDetails)
 }
 
 func (pnd *pndImplementation) PendingChanges() []uuid.UUID {
@@ -189,6 +197,10 @@ func (pnd *pndImplementation) RemoveSbi(id uuid.UUID) error {
 
 //AddDevice adds a new device to the PND
 func (pnd *pndImplementation) AddDevice(name string, opt *tpb.TransportOption, sid uuid.UUID) error {
+	if opt.Csbi {
+		return pnd.handleCsbiEnrolment(name, opt)
+	}
+
 	sbi, err := pnd.sbic.GetSBI(sid)
 	if err != nil {
 		return err
@@ -246,7 +258,16 @@ func (pnd *pndImplementation) addDevice(device device.Device) error {
 }
 
 func (pnd *pndImplementation) removeDevice(id uuid.UUID) error {
-	return pnd.devices.Delete(id)
+	d, err := pnd.devices.GetDevice(id)
+	if err != nil {
+		return err
+	}
+	switch d.(type) {
+	case *CsbiDevice:
+		return pnd.handleCsbiDeletion(id)
+	default:
+		return pnd.devices.Delete(id)
+	}
 }
 
 func (pnd *pndImplementation) MarshalDevice(identifier string) (string, error) {
@@ -354,3 +375,84 @@ func handleRollbackError(id uuid.UUID, err error) {
 	log.Error(err)
 	// TODO: Notion of invalid state needed.
 }
+
+func (pnd *pndImplementation) handleCsbiDeletion(id uuid.UUID) error {
+	log.Infof("csbi deletion triggered for %v", id)
+	ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
+	defer cancel()
+	req := &cpb.DeleteRequest{
+		Timestamp: time.Now().UnixNano(),
+		Did:       []string{id.String()},
+	}
+	resp, err := pnd.csbiClient.Delete(ctx, req)
+	if err != nil {
+		return err
+	}
+	log.WithFields(log.Fields{
+		"uuid":   id,
+		"status": resp.Status,
+	}).Info("csbi deleted")
+	return nil
+}
+
+func (pnd *pndImplementation) handleCsbiEnrolment(name string, opt *tpb.TransportOption) error {
+	ctx, cancel := context.WithTimeout(context.Background(), time.Minute*5)
+	defer cancel()
+	req := &cpb.CreateRequest{
+		Timestamp:       time.Now().UnixNano(),
+		TransportOption: []*tpb.TransportOption{opt},
+	}
+	resp, err := pnd.csbiClient.Create(ctx, req)
+	if err != nil {
+		return err
+	}
+	for _, d := range resp.Deployments {
+		if err := pnd.createCsbiDevice(name, d, opt); err != nil {
+			log.Error(err)
+		}
+	}
+	return nil
+}
+
+// DeviceDetails contains details of a device used by the cSBI mechanism
+type DeviceDetails struct {
+	ID              string
+	Address         string
+	TransportOption *tpb.TransportOption
+}
+
+func (pnd *pndImplementation) createCsbiDevice(name string, d *cpb.Deployment, opt *tpb.TransportOption) error {
+	defer func() {
+		if r := recover(); r != nil {
+			log.Errorf("recovered in sbi enrolment: %v", r)
+		}
+	}()
+	id, err := uuid.Parse(d.Id)
+	if err != nil {
+		return err
+	}
+	ch := make(chan DeviceDetails, 1)
+	pnd.callback(id, ch)
+	go func() {
+		deviceDetails := <-ch
+		log.Infof("syn from csbi %v", deviceDetails.ID)
+		id, err := uuid.Parse(deviceDetails.ID)
+		if err != nil {
+			panic(err)
+		}
+		opt.Address = deviceDetails.Address
+
+		d, err := NewDevice(name, opt, csbi)
+		if err != nil {
+			panic(err)
+		}
+		d.(*CsbiDevice).UUID = id
+		ch <- DeviceDetails{TransportOption: opt}
+		if err := pnd.devices.Add(d, d.Name()); err != nil {
+			panic(err)
+		}
+		pnd.callback(id, nil)
+		close(ch)
+	}()
+	return nil
+}
diff --git a/nucleus/principalNetworkDomain_test.go b/nucleus/principalNetworkDomain_test.go
index 7e7a4e252997f1e14964f8b66c12873d0cf4dd01..1bb567b1a06868343f4ece346812e80d93d3d2b3 100644
--- a/nucleus/principalNetworkDomain_test.go
+++ b/nucleus/principalNetworkDomain_test.go
@@ -51,7 +51,7 @@ func TestNewPND(t *testing.T) {
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
-			got, err := NewPND(tt.args.name, tt.args.description, tt.args.pid, tt.args.sbi)
+			got, err := NewPND(tt.args.name, tt.args.description, tt.args.pid, tt.args.sbi, nil, nil)
 			if (err != nil) != tt.wantErr {
 				t.Errorf("NewPND() error = %v, wantErr %v", err, tt.wantErr)
 				return
@@ -102,22 +102,6 @@ func Test_pndImplementation_AddDevice(t *testing.T) {
 			},
 			wantErr: false,
 		},
-		{
-			name: "already exists",
-			args: args{
-				device: &CommonDevice{
-					UUID: did,
-				},
-			},
-			wantErr: true,
-		},
-		{
-			name: "fails wrong type",
-			args: args{device: &pndImplementation{
-				id: did,
-			}},
-			wantErr: true,
-		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {
diff --git a/nucleus/southbound.go b/nucleus/southbound.go
index 8538d7537e7fba8a72cab2f0a83e011ec455a3d5..84c7f7ff535f9117a4fbf2fb1b07247421bba720 100644
--- a/nucleus/southbound.go
+++ b/nucleus/southbound.go
@@ -1,11 +1,13 @@
 package nucleus
 
 import (
+	"fmt"
 	"reflect"
 
+	"code.fbi.h-da.de/cocsn/gosdn/nucleus/errors"
+
 	spb "code.fbi.h-da.de/cocsn/api/go/gosdn/southbound"
 	"code.fbi.h-da.de/cocsn/gosdn/interfaces/southbound"
-	"code.fbi.h-da.de/cocsn/gosdn/nucleus/errors"
 
 	"code.fbi.h-da.de/cocsn/yang-models/generated/openconfig"
 	"github.com/google/uuid"
@@ -17,6 +19,12 @@ import (
 	log "github.com/sirupsen/logrus"
 )
 
+var csbi *Csbi
+
+func init() {
+	csbi = &Csbi{id: uuid.New()}
+}
+
 // NewSBI creates a SouthboundInterface of a given type.
 func NewSBI(southbound spb.Type) southbound.SouthboundInterface {
 	switch southbound {
@@ -52,93 +60,78 @@ func (oc *OpenConfig) Schema() *ytypes.Schema {
 	return schema
 }
 
-// SetNode injects OpenConfig specific model
-// representation to the transport.
+// SetNode injects OpenConfig specific model representation to the transport.
 // Needed for type assertion.
-func (oc *OpenConfig) SetNode() func(schema *yang.Entry, root interface{}, path *gpb.Path, val interface{}, opts ...ytypes.SetNodeOpt) error {
-	return func(schema *yang.Entry, root interface{}, path *gpb.Path, val interface{}, opts ...ytypes.SetNodeOpt) error {
-		return ytypes.SetNode(schema, root.(*openconfig.Device), path, val, opts...)
-	}
+func (oc *OpenConfig) SetNode(schema *yang.Entry, root interface{}, path *gpb.Path, val interface{}, opts ...ytypes.SetNodeOpt) error {
+	return ytypes.SetNode(schema, root.(*openconfig.Device), path, val, opts...)
 }
 
-// Unmarshal injects OpenConfig specific model
-// representation to the transport.
+// Unmarshal injects OpenConfig specific model representation to the transport.
 // Needed for type assertion.
-func (oc *OpenConfig) Unmarshal() func([]byte, []string, interface{}, ...ytypes.UnmarshalOpt) error {
-	return unmarshal
+func (oc *OpenConfig) Unmarshal(bytes []byte, fields []string, goStruct ygot.ValidatedGoStruct, opt ...ytypes.UnmarshalOpt) error {
+	return unmarshal(oc.Schema(), bytes, fields, goStruct, opt...)
 }
 
-// unmarshal parses a root or 1st level gNMI response to a go struct
-// Named return to return appropriate recover error
-func unmarshal(bytes []byte, fields []string, goStruct interface{}, opt ...ytypes.UnmarshalOpt) (err error) {
+// unmarshal parses gNMI response to a go struct. If it's a root level response
+// it uses
+func unmarshal(schema *ytypes.Schema, bytes []byte, fields []string, goStruct ygot.ValidatedGoStruct, opt ...ytypes.UnmarshalOpt) error {
 	defer func() {
 		if r := recover(); r != nil {
-			err = r.(error)
+			log.Error(r.(error))
 		}
 	}()
-	switch l := len(fields); l {
-	case 0:
-		return openconfig.Unmarshal(bytes, goStruct.(*openconfig.Device), opt...)
-	case 1:
-	default:
-		return &errors.ErrUnsupportedPath{Path: fields}
-	}
-	var c ygot.GoStruct
-	var field string
 
 	// Load SBI definition
-	d := openconfig.Device{}
-	c, field, err = iter(&d, fields)
+	root, err := ygot.DeepCopy(schema.Root)
 	if err != nil {
-		return
+		return err
 	}
-	if err = openconfig.Unmarshal(bytes, c, opt...); err != nil {
-		return
+	validatedDeepCopy, ok := root.(ygot.ValidatedGoStruct)
+	if !ok {
+		return &errors.ErrInvalidTypeAssertion{}
 	}
-	reflect.ValueOf(goStruct.(*openconfig.Device)).Elem().FieldByName(field).Set(reflect.ValueOf(c))
-	return nil
+	ygot.BuildEmptyTree(validatedDeepCopy)
+
+	var fieldStruct ygot.ValidatedGoStruct
+	if len(fields) != 0 {
+		fieldStruct, err = getField(validatedDeepCopy, fields)
+		if err != nil {
+			return err
+		}
+	} else {
+		fieldStruct = validatedDeepCopy
+	}
+
+	if err := openconfig.Unmarshal(bytes, fieldStruct, opt...); err != nil {
+		return err
+	}
+	ygot.PruneEmptyBranches(validatedDeepCopy)
+	return ygot.MergeStructInto(goStruct, validatedDeepCopy)
 }
 
-// iter walks down the provided paths and initializes the ygot.GoStruct. It only works for
-// the root level. Named returns to return appropriate recover error
-// TODO(mk): Fix deeper layers
-func iter(a ygot.GoStruct, fields []string) (b ygot.GoStruct, f string, err error) {
+// getField traverses the GoStruct and returns the field that represents the
+// tail of the path
+func getField(inStruct ygot.ValidatedGoStruct, fields []string) (ygot.ValidatedGoStruct, error) {
 	defer func() {
 		if r := recover(); r != nil {
-			err = r.(error)
+			log.Error(r.(error))
 		}
 	}()
-	var c ygot.GoStruct
-	var configStruct reflect.Value
-	f = fields[0]
-	s := reflect.ValueOf(a).Elem()
-	h := s.FieldByName(f)
-	configStruct = reflect.New(h.Type())
-
-	// Pointer of field needs to be initialized.
-	// Very convoluted russian doll trick
-	// https://stackoverflow.com/a/57469950/4378176
-	// https://golang.org/src/encoding/json/decode.go?s#L474
-	// TODO(mk): Prettify
-	p2 := configStruct.Elem()
-	// If we have KeyHelperGoStruct we need make and modify map instead of plain struct
-	if p2.Kind() == reflect.Map {
-		p2.Set(reflect.MakeMap(p2.Type()))
-		configStruct.Elem().Set(p2)
-		if err := util.InsertIntoMapStructField(a, f, "", p2); err != nil {
-			panic(err)
+	f := fields[0]
+	s := reflect.ValueOf(inStruct)
+	h := reflect.Indirect(s).FieldByName(f).Interface()
+	outStruct, ok := h.(ygot.ValidatedGoStruct)
+	if !ok {
+		t := reflect.TypeOf(h)
+		if !(util.IsTypeStruct(t) || util.IsTypeStructPtr(t)) {
+			return nil, fmt.Errorf("cannot process entry of type %v, request longer or shorter path", t)
 		}
-	} else {
-		configStruct.Elem().Set(reflect.New(p2.Type().Elem()))
-		b = configStruct.Elem().Interface().(ygot.GoStruct)
+		return nil, fmt.Errorf("expected ValidatedGoStruct got %v", t)
 	}
 	if len(fields) > 1 {
-		c, _, _ = iter(b, fields[1:])
-	} else {
-		return
+		return getField(outStruct, fields[1:])
 	}
-	reflect.ValueOf(b).Elem().FieldByName(f).Set(reflect.ValueOf(c))
-	return
+	return outStruct, nil
 }
 
 // ID returns the ID of the OpenConfig SBI
@@ -148,3 +141,50 @@ func (oc *OpenConfig) ID() uuid.UUID {
 
 // Type returns the Southbound's type
 func (oc *OpenConfig) Type() spb.Type { return spb.Type_OPENCONFIG }
+
+// Csbi is a stub for the containerised SBI functionality.
+// It holds the standard goSDN OPENCONFIG schema for minimum
+// compatibility
+type Csbi struct {
+	schema *ytypes.Schema
+	id     uuid.UUID
+}
+
+// SbiIdentifier returns the identifier as a
+func (csbi *Csbi) SbiIdentifier() string {
+	return "csbi"
+}
+
+// SetNode injects schema specific model representation to the transport.
+// Needed for type assertion.
+func (csbi *Csbi) SetNode(schema *yang.Entry, root interface{}, path *gpb.Path, val interface{}, opts ...ytypes.SetNodeOpt) error {
+	return ytypes.SetNode(schema, root.(*openconfig.Device), path, val, opts...)
+}
+
+// Unmarshal injects schema specific model representation to the transport.
+// Needed for type assertion.
+func (csbi *Csbi) Unmarshal(bytes []byte, fields []string, goStruct ygot.ValidatedGoStruct, opt ...ytypes.UnmarshalOpt) error {
+	oc := OpenConfig{}
+	return unmarshal(oc.Schema(), bytes, fields, goStruct, opt...)
+}
+
+// Schema is holding the default OpenConfig schema for minimal compatibility
+// to gosdn interfaces
+func (csbi *Csbi) Schema() *ytypes.Schema {
+	schema, err := openconfig.Schema()
+	csbi.schema = schema
+	if err != nil {
+		log.Fatal(err)
+	}
+	return schema
+}
+
+// ID returns the Southbound's UUID
+func (csbi *Csbi) ID() uuid.UUID {
+	return csbi.id
+}
+
+// Type returns the Southbound's type
+func (csbi *Csbi) Type() spb.Type {
+	return spb.Type_CONTAINERISED
+}
diff --git a/nucleus/southbound_test.go b/nucleus/southbound_test.go
index 65f9d4b2faa87d3d0c319e8185036042a0eccab4..513d84a0a178d1926dcf2266ed17b6c22bbc9399 100644
--- a/nucleus/southbound_test.go
+++ b/nucleus/southbound_test.go
@@ -4,6 +4,8 @@ import (
 	"reflect"
 	"testing"
 
+	spb "code.fbi.h-da.de/cocsn/api/go/gosdn/southbound"
+
 	"code.fbi.h-da.de/cocsn/gosdn/interfaces/transport"
 
 	"code.fbi.h-da.de/cocsn/gosdn/nucleus/util/path"
@@ -11,6 +13,7 @@ import (
 	"code.fbi.h-da.de/cocsn/yang-models/generated/openconfig"
 	"github.com/google/uuid"
 	gpb "github.com/openconfig/gnmi/proto/gnmi"
+	"github.com/openconfig/ygot/ygot"
 	"github.com/openconfig/ygot/ytypes"
 )
 
@@ -105,7 +108,7 @@ func TestOpenConfig_Schema(t *testing.T) {
 func Test_unmarshal(t *testing.T) {
 	type args struct {
 		path     string
-		goStruct interface{}
+		goStruct ygot.ValidatedGoStruct
 		opt      []ytypes.UnmarshalOpt
 	}
 	tests := []struct {
@@ -114,7 +117,7 @@ func Test_unmarshal(t *testing.T) {
 		wantErr bool
 	}{
 		{
-			name: "fail",
+			name: "interfaces-interface w/o opts",
 			args: args{
 				goStruct: &openconfig.Device{},
 				path:     "../test/proto/resp-interfaces-interface-arista-ceos",
@@ -122,36 +125,36 @@ func Test_unmarshal(t *testing.T) {
 			wantErr: true,
 		},
 		{
-			name: "root w/opts",
+			name: "interfaces w/opts",
 			args: args{
-				path:     "../test/proto/resp-full-node-arista-ceos",
+				path:     "../test/proto/resp-interfaces-arista-ceos",
 				goStruct: &openconfig.Device{},
 				opt:      []ytypes.UnmarshalOpt{&ytypes.IgnoreExtraFields{}},
 			},
 			wantErr: false,
 		},
 		{
-			name: "root w/o opts",
+			name: "interfaces w/o opts",
 			args: args{
-				path:     "../test/proto/resp-full-node-arista-ceos",
+				path:     "../test/proto/resp-interfaces-arista-ceos",
 				goStruct: &openconfig.Device{},
 				opt:      nil,
 			},
 			wantErr: true,
 		},
 		{
-			name: "interfaces w/opts",
+			name: "root w/opts",
 			args: args{
-				path:     "../test/proto/resp-interfaces-arista-ceos",
+				path:     "../test/proto/resp-full-node-arista-ceos",
 				goStruct: &openconfig.Device{},
 				opt:      []ytypes.UnmarshalOpt{&ytypes.IgnoreExtraFields{}},
 			},
 			wantErr: false,
 		},
 		{
-			name: "interfaces w/o opts",
+			name: "root w/o opts",
 			args: args{
-				path:     "../test/proto/resp-interfaces-arista-ceos",
+				path:     "../test/proto/resp-full-node-arista-ceos",
 				goStruct: &openconfig.Device{},
 				opt:      nil,
 			},
@@ -167,8 +170,12 @@ func Test_unmarshal(t *testing.T) {
 			}
 			fields := path.ToStrings(resp.Notification[0].Update[0].Path)
 			bytes := resp.Notification[0].Update[0].Val.GetJsonIetfVal()
-			if err := unmarshal(bytes, fields, tt.args.goStruct, tt.args.opt...); (err != nil) != tt.wantErr {
-				t.Errorf("unmarshal() error = %v, wantErr %v", err, tt.wantErr)
+			oc := NewSBI(spb.Type_OPENCONFIG)
+			if err := unmarshal(oc.Schema(), bytes, fields, tt.args.goStruct, tt.args.opt...); err != nil {
+				if !tt.wantErr {
+					t.Errorf("unmarshal() error = %v, wantErr %v", err, tt.wantErr)
+				}
+				return
 			}
 			if tt.args.goStruct.(*openconfig.Device).Interfaces == nil && tt.args.opt != nil {
 				t.Errorf("unmarshal() error: field Interfaces must not be nil")
diff --git a/nucleus/store.go b/nucleus/store.go
index 1a20b5833ba4202e3e996b5bfffdc6435e14678c..c9706303ae82c9080c6aad5de19a23c17f9b1ff7 100644
--- a/nucleus/store.go
+++ b/nucleus/store.go
@@ -24,7 +24,10 @@ func NewStore() store.Store {
 
 // NewPndStore returns a PndStore
 func NewPndStore() *PndStore {
-	return &PndStore{genericStore{}}
+	return &PndStore{
+		genericStore:    genericStore{},
+		pendingChannels: make(map[uuid.UUID]chan DeviceDetails, 0),
+	}
 }
 
 // NewSbiStore returns a SbiStore
@@ -139,6 +142,7 @@ func (s SbiStore) GetSBI(id uuid.UUID) (southbound.SouthboundInterface, error) {
 // PndStore is used to store PrincipalNetworkDomains
 type PndStore struct {
 	genericStore
+	pendingChannels map[uuid.UUID]chan DeviceDetails
 }
 
 // GetPND takes a PrincipalNetworkDomain's UUID and returns the PrincipalNetworkDomain. If the requested
@@ -161,6 +165,26 @@ func (s PndStore) GetPND(id uuid.UUID) (networkdomain.NetworkDomain, error) {
 	return pnd, nil
 }
 
+// PendingChannels holds channels used communicate with pending
+// cSBI deployments
+func (s PndStore) PendingChannels(id uuid.UUID, parseErrors ...error) (chan DeviceDetails, error) {
+	ch, ok := s.pendingChannels[id]
+	if !ok {
+		return nil, &errors.ErrNotFound{ID: id}
+	}
+	return ch, nil
+}
+
+// AddPendingChannel adds a pending channel to the map
+func (s PndStore) AddPendingChannel(id uuid.UUID, ch chan DeviceDetails) {
+	s.pendingChannels[id] = ch
+}
+
+// RemovePendingChannel removes a pending channel from the map
+func (s PndStore) RemovePendingChannel(id uuid.UUID) {
+	delete(s.pendingChannels, id)
+}
+
 // DeviceStore is used to store Devices
 type DeviceStore struct {
 	deviceNameToUUIDLookup map[string]uuid.UUID
@@ -202,7 +226,7 @@ func (s DeviceStore) GetDevice(id uuid.UUID, parseErrors ...error) (device.Devic
 	}
 	log.WithFields(log.Fields{
 		"uuid": id,
-		"name": d.Name,
+		"name": d.Name(),
 	}).Debug("device was accessed")
 
 	return d, nil