diff --git a/go/gosdn/pnd/pnd.pb.go b/go/gosdn/pnd/pnd.pb.go
index 0bbe1e2494b584dae53cc3cda88b154f80ae3895..1d33294337581bd6cc16b8665f708971d37420f7 100644
--- a/go/gosdn/pnd/pnd.pb.go
+++ b/go/gosdn/pnd/pnd.pb.go
@@ -7,6 +7,8 @@
 package pnd
 
 import (
+	southbound "code.fbi.h-da.de/cocsn/api/go/gosdn/southbound"
+	transport "code.fbi.h-da.de/cocsn/api/go/gosdn/transport"
 	gnmi "github.com/openconfig/gnmi/proto/gnmi"
 	protoreflect "google.golang.org/protobuf/reflect/protoreflect"
 	protoimpl "google.golang.org/protobuf/runtime/protoimpl"
@@ -22,6 +24,55 @@ const (
 	_ = protoimpl.EnforceVersion(protoimpl.MaxVersion - 20)
 )
 
+type ApiOperation int32
+
+const (
+	ApiOperation_UPDATE  ApiOperation = 0
+	ApiOperation_REPLACE ApiOperation = 1
+	ApiOperation_DELETE  ApiOperation = 2
+)
+
+// Enum value maps for ApiOperation.
+var (
+	ApiOperation_name = map[int32]string{
+		0: "UPDATE",
+		1: "REPLACE",
+		2: "DELETE",
+	}
+	ApiOperation_value = map[string]int32{
+		"UPDATE":  0,
+		"REPLACE": 1,
+		"DELETE":  2,
+	}
+)
+
+func (x ApiOperation) Enum() *ApiOperation {
+	p := new(ApiOperation)
+	*p = x
+	return p
+}
+
+func (x ApiOperation) String() string {
+	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
+}
+
+func (ApiOperation) Descriptor() protoreflect.EnumDescriptor {
+	return file_gosdn_pnd_pnd_proto_enumTypes[0].Descriptor()
+}
+
+func (ApiOperation) Type() protoreflect.EnumType {
+	return &file_gosdn_pnd_pnd_proto_enumTypes[0]
+}
+
+func (x ApiOperation) Number() protoreflect.EnumNumber {
+	return protoreflect.EnumNumber(x)
+}
+
+// Deprecated: Use ApiOperation.Descriptor instead.
+func (ApiOperation) EnumDescriptor() ([]byte, []int) {
+	return file_gosdn_pnd_pnd_proto_rawDescGZIP(), []int{0}
+}
+
 type Change_State int32
 
 const (
@@ -55,11 +106,11 @@ func (x Change_State) String() string {
 }
 
 func (Change_State) Descriptor() protoreflect.EnumDescriptor {
-	return file_gosdn_pnd_pnd_proto_enumTypes[0].Descriptor()
+	return file_gosdn_pnd_pnd_proto_enumTypes[1].Descriptor()
 }
 
 func (Change_State) Type() protoreflect.EnumType {
-	return &file_gosdn_pnd_pnd_proto_enumTypes[0]
+	return &file_gosdn_pnd_pnd_proto_enumTypes[1]
 }
 
 func (x Change_State) Number() protoreflect.EnumNumber {
@@ -68,7 +119,7 @@ func (x Change_State) Number() protoreflect.EnumNumber {
 
 // Deprecated: Use Change_State.Descriptor instead.
 func (Change_State) EnumDescriptor() ([]byte, []int) {
-	return file_gosdn_pnd_pnd_proto_rawDescGZIP(), []int{9, 0}
+	return file_gosdn_pnd_pnd_proto_rawDescGZIP(), []int{8, 0}
 }
 
 type SetChange_Operation int32
@@ -104,11 +155,11 @@ func (x SetChange_Operation) String() string {
 }
 
 func (SetChange_Operation) Descriptor() protoreflect.EnumDescriptor {
-	return file_gosdn_pnd_pnd_proto_enumTypes[1].Descriptor()
+	return file_gosdn_pnd_pnd_proto_enumTypes[2].Descriptor()
 }
 
 func (SetChange_Operation) Type() protoreflect.EnumType {
-	return &file_gosdn_pnd_pnd_proto_enumTypes[1]
+	return &file_gosdn_pnd_pnd_proto_enumTypes[2]
 }
 
 func (x SetChange_Operation) Number() protoreflect.EnumNumber {
@@ -117,7 +168,7 @@ func (x SetChange_Operation) Number() protoreflect.EnumNumber {
 
 // Deprecated: Use SetChange_Operation.Descriptor instead.
 func (SetChange_Operation) EnumDescriptor() ([]byte, []int) {
-	return file_gosdn_pnd_pnd_proto_rawDescGZIP(), []int{13, 0}
+	return file_gosdn_pnd_pnd_proto_rawDescGZIP(), []int{12, 0}
 }
 
 type SetResponseStatus int32
@@ -150,11 +201,11 @@ func (x SetResponseStatus) String() string {
 }
 
 func (SetResponseStatus) Descriptor() protoreflect.EnumDescriptor {
-	return file_gosdn_pnd_pnd_proto_enumTypes[2].Descriptor()
+	return file_gosdn_pnd_pnd_proto_enumTypes[3].Descriptor()
 }
 
 func (SetResponseStatus) Type() protoreflect.EnumType {
-	return &file_gosdn_pnd_pnd_proto_enumTypes[2]
+	return &file_gosdn_pnd_pnd_proto_enumTypes[3]
 }
 
 func (x SetResponseStatus) Number() protoreflect.EnumNumber {
@@ -163,56 +214,7 @@ func (x SetResponseStatus) Number() protoreflect.EnumNumber {
 
 // Deprecated: Use SetResponseStatus.Descriptor instead.
 func (SetResponseStatus) EnumDescriptor() ([]byte, []int) {
-	return file_gosdn_pnd_pnd_proto_rawDescGZIP(), []int{14, 0}
-}
-
-type ChangeRequest_ApiOperation int32
-
-const (
-	ChangeRequest_UPDATE  ChangeRequest_ApiOperation = 0
-	ChangeRequest_REPLACE ChangeRequest_ApiOperation = 1
-	ChangeRequest_DELETE  ChangeRequest_ApiOperation = 2
-)
-
-// Enum value maps for ChangeRequest_ApiOperation.
-var (
-	ChangeRequest_ApiOperation_name = map[int32]string{
-		0: "UPDATE",
-		1: "REPLACE",
-		2: "DELETE",
-	}
-	ChangeRequest_ApiOperation_value = map[string]int32{
-		"UPDATE":  0,
-		"REPLACE": 1,
-		"DELETE":  2,
-	}
-)
-
-func (x ChangeRequest_ApiOperation) Enum() *ChangeRequest_ApiOperation {
-	p := new(ChangeRequest_ApiOperation)
-	*p = x
-	return p
-}
-
-func (x ChangeRequest_ApiOperation) String() string {
-	return protoimpl.X.EnumStringOf(x.Descriptor(), protoreflect.EnumNumber(x))
-}
-
-func (ChangeRequest_ApiOperation) Descriptor() protoreflect.EnumDescriptor {
-	return file_gosdn_pnd_pnd_proto_enumTypes[3].Descriptor()
-}
-
-func (ChangeRequest_ApiOperation) Type() protoreflect.EnumType {
-	return &file_gosdn_pnd_pnd_proto_enumTypes[3]
-}
-
-func (x ChangeRequest_ApiOperation) Number() protoreflect.EnumNumber {
-	return protoreflect.EnumNumber(x)
-}
-
-// Deprecated: Use ChangeRequest_ApiOperation.Descriptor instead.
-func (ChangeRequest_ApiOperation) EnumDescriptor() ([]byte, []int) {
-	return file_gosdn_pnd_pnd_proto_rawDescGZIP(), []int{15, 0}
+	return file_gosdn_pnd_pnd_proto_rawDescGZIP(), []int{13, 0}
 }
 
 type GetRequest struct {
@@ -547,11 +549,11 @@ type GetResponse struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Timestamp int64                           `protobuf:"varint,1,opt,name=timestamp,proto3" json:"timestamp,omitempty"` // Timestamp in nanoseconds since Epoch.
-	Pnd       *PrincipalNetworkDomain         `protobuf:"bytes,2,opt,name=pnd,proto3" json:"pnd,omitempty"`
-	Ond       []*OrchestratedNetworkingDevice `protobuf:"bytes,3,rep,name=ond,proto3" json:"ond,omitempty"`
-	Sbi       []*SouthboundInterface          `protobuf:"bytes,5,rep,name=sbi,proto3" json:"sbi,omitempty"`
-	Change    []*Change                       `protobuf:"bytes,7,rep,name=change,proto3" json:"change,omitempty"`
+	Timestamp int64                             `protobuf:"varint,1,opt,name=timestamp,proto3" json:"timestamp,omitempty"` // Timestamp in nanoseconds since Epoch.
+	Pnd       *PrincipalNetworkDomain           `protobuf:"bytes,2,opt,name=pnd,proto3" json:"pnd,omitempty"`
+	Ond       []*OrchestratedNetworkingDevice   `protobuf:"bytes,3,rep,name=ond,proto3" json:"ond,omitempty"`
+	Sbi       []*southbound.SouthboundInterface `protobuf:"bytes,5,rep,name=sbi,proto3" json:"sbi,omitempty"`
+	Change    []*Change                         `protobuf:"bytes,7,rep,name=change,proto3" json:"change,omitempty"`
 }
 
 func (x *GetResponse) Reset() {
@@ -607,7 +609,7 @@ func (x *GetResponse) GetOnd() []*OrchestratedNetworkingDevice {
 	return nil
 }
 
-func (x *GetResponse) GetSbi() []*SouthboundInterface {
+func (x *GetResponse) GetSbi() []*southbound.SouthboundInterface {
 	if x != nil {
 		return x.Sbi
 	}
@@ -626,12 +628,12 @@ type PrincipalNetworkDomain struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Id          string                          `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
-	Name        string                          `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
-	Description string                          `protobuf:"bytes,3,opt,name=description,proto3" json:"description,omitempty"`
-	Ond         []*OrchestratedNetworkingDevice `protobuf:"bytes,4,rep,name=ond,proto3" json:"ond,omitempty"`
-	Sbi         []*SouthboundInterface          `protobuf:"bytes,5,rep,name=sbi,proto3" json:"sbi,omitempty"`
-	Change      []*Change                       `protobuf:"bytes,6,rep,name=change,proto3" json:"change,omitempty"`
+	Id          string                            `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+	Name        string                            `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
+	Description string                            `protobuf:"bytes,3,opt,name=description,proto3" json:"description,omitempty"`
+	Ond         []*OrchestratedNetworkingDevice   `protobuf:"bytes,4,rep,name=ond,proto3" json:"ond,omitempty"`
+	Sbi         []*southbound.SouthboundInterface `protobuf:"bytes,5,rep,name=sbi,proto3" json:"sbi,omitempty"`
+	Change      []*Change                         `protobuf:"bytes,6,rep,name=change,proto3" json:"change,omitempty"`
 }
 
 func (x *PrincipalNetworkDomain) Reset() {
@@ -694,7 +696,7 @@ func (x *PrincipalNetworkDomain) GetOnd() []*OrchestratedNetworkingDevice {
 	return nil
 }
 
-func (x *PrincipalNetworkDomain) GetSbi() []*SouthboundInterface {
+func (x *PrincipalNetworkDomain) GetSbi() []*southbound.SouthboundInterface {
 	if x != nil {
 		return x.Sbi
 	}
@@ -708,76 +710,21 @@ func (x *PrincipalNetworkDomain) GetChange() []*Change {
 	return nil
 }
 
-type SouthboundInterface struct {
-	state         protoimpl.MessageState
-	sizeCache     protoimpl.SizeCache
-	unknownFields protoimpl.UnknownFields
-
-	Id   string `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
-	Type int32  `protobuf:"varint,2,opt,name=type,proto3" json:"type,omitempty"`
-}
-
-func (x *SouthboundInterface) Reset() {
-	*x = SouthboundInterface{}
-	if protoimpl.UnsafeEnabled {
-		mi := &file_gosdn_pnd_pnd_proto_msgTypes[7]
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		ms.StoreMessageInfo(mi)
-	}
-}
-
-func (x *SouthboundInterface) String() string {
-	return protoimpl.X.MessageStringOf(x)
-}
-
-func (*SouthboundInterface) ProtoMessage() {}
-
-func (x *SouthboundInterface) ProtoReflect() protoreflect.Message {
-	mi := &file_gosdn_pnd_pnd_proto_msgTypes[7]
-	if protoimpl.UnsafeEnabled && x != nil {
-		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
-		if ms.LoadMessageInfo() == nil {
-			ms.StoreMessageInfo(mi)
-		}
-		return ms
-	}
-	return mi.MessageOf(x)
-}
-
-// Deprecated: Use SouthboundInterface.ProtoReflect.Descriptor instead.
-func (*SouthboundInterface) Descriptor() ([]byte, []int) {
-	return file_gosdn_pnd_pnd_proto_rawDescGZIP(), []int{7}
-}
-
-func (x *SouthboundInterface) GetId() string {
-	if x != nil {
-		return x.Id
-	}
-	return ""
-}
-
-func (x *SouthboundInterface) GetType() int32 {
-	if x != nil {
-		return x.Type
-	}
-	return 0
-}
-
 type OrchestratedNetworkingDevice struct {
 	state         protoimpl.MessageState
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Id     string               `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
-	Name   string               `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
-	Device []*gnmi.Notification `protobuf:"bytes,3,rep,name=device,proto3" json:"device,omitempty"`
-	Sbi    *SouthboundInterface `protobuf:"bytes,4,opt,name=sbi,proto3" json:"sbi,omitempty"`
+	Id     string                          `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+	Name   string                          `protobuf:"bytes,2,opt,name=name,proto3" json:"name,omitempty"`
+	Device []*gnmi.Notification            `protobuf:"bytes,3,rep,name=device,proto3" json:"device,omitempty"`
+	Sbi    *southbound.SouthboundInterface `protobuf:"bytes,4,opt,name=sbi,proto3" json:"sbi,omitempty"`
 }
 
 func (x *OrchestratedNetworkingDevice) Reset() {
 	*x = OrchestratedNetworkingDevice{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_gosdn_pnd_pnd_proto_msgTypes[8]
+		mi := &file_gosdn_pnd_pnd_proto_msgTypes[7]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -790,7 +737,7 @@ func (x *OrchestratedNetworkingDevice) String() string {
 func (*OrchestratedNetworkingDevice) ProtoMessage() {}
 
 func (x *OrchestratedNetworkingDevice) ProtoReflect() protoreflect.Message {
-	mi := &file_gosdn_pnd_pnd_proto_msgTypes[8]
+	mi := &file_gosdn_pnd_pnd_proto_msgTypes[7]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -803,7 +750,7 @@ func (x *OrchestratedNetworkingDevice) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use OrchestratedNetworkingDevice.ProtoReflect.Descriptor instead.
 func (*OrchestratedNetworkingDevice) Descriptor() ([]byte, []int) {
-	return file_gosdn_pnd_pnd_proto_rawDescGZIP(), []int{8}
+	return file_gosdn_pnd_pnd_proto_rawDescGZIP(), []int{7}
 }
 
 func (x *OrchestratedNetworkingDevice) GetId() string {
@@ -827,7 +774,7 @@ func (x *OrchestratedNetworkingDevice) GetDevice() []*gnmi.Notification {
 	return nil
 }
 
-func (x *OrchestratedNetworkingDevice) GetSbi() *SouthboundInterface {
+func (x *OrchestratedNetworkingDevice) GetSbi() *southbound.SouthboundInterface {
 	if x != nil {
 		return x.Sbi
 	}
@@ -847,7 +794,7 @@ type Change struct {
 func (x *Change) Reset() {
 	*x = Change{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_gosdn_pnd_pnd_proto_msgTypes[9]
+		mi := &file_gosdn_pnd_pnd_proto_msgTypes[8]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -860,7 +807,7 @@ func (x *Change) String() string {
 func (*Change) ProtoMessage() {}
 
 func (x *Change) ProtoReflect() protoreflect.Message {
-	mi := &file_gosdn_pnd_pnd_proto_msgTypes[9]
+	mi := &file_gosdn_pnd_pnd_proto_msgTypes[8]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -873,7 +820,7 @@ func (x *Change) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use Change.ProtoReflect.Descriptor instead.
 func (*Change) Descriptor() ([]byte, []int) {
-	return file_gosdn_pnd_pnd_proto_rawDescGZIP(), []int{9}
+	return file_gosdn_pnd_pnd_proto_rawDescGZIP(), []int{8}
 }
 
 func (x *Change) GetId() string {
@@ -913,7 +860,7 @@ type SetRequest struct {
 func (x *SetRequest) Reset() {
 	*x = SetRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_gosdn_pnd_pnd_proto_msgTypes[10]
+		mi := &file_gosdn_pnd_pnd_proto_msgTypes[9]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -926,7 +873,7 @@ func (x *SetRequest) String() string {
 func (*SetRequest) ProtoMessage() {}
 
 func (x *SetRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_gosdn_pnd_pnd_proto_msgTypes[10]
+	mi := &file_gosdn_pnd_pnd_proto_msgTypes[9]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -939,7 +886,7 @@ func (x *SetRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use SetRequest.ProtoReflect.Descriptor instead.
 func (*SetRequest) Descriptor() ([]byte, []int) {
-	return file_gosdn_pnd_pnd_proto_rawDescGZIP(), []int{10}
+	return file_gosdn_pnd_pnd_proto_rawDescGZIP(), []int{9}
 }
 
 func (x *SetRequest) GetTimestamp() int64 {
@@ -989,16 +936,16 @@ type SetOnd struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Address  string               `protobuf:"bytes,1,opt,name=address,proto3" json:"address,omitempty"`
-	Username string               `protobuf:"bytes,2,opt,name=username,proto3" json:"username,omitempty"`
-	Password string               `protobuf:"bytes,3,opt,name=password,proto3" json:"password,omitempty"`
-	Sbi      *SouthboundInterface `protobuf:"bytes,4,opt,name=sbi,proto3" json:"sbi,omitempty"`
+	Address         string                          `protobuf:"bytes,1,opt,name=address,proto3" json:"address,omitempty"`
+	Sbi             *southbound.SouthboundInterface `protobuf:"bytes,2,opt,name=sbi,proto3" json:"sbi,omitempty"`
+	DeviceName      string                          `protobuf:"bytes,3,opt,name=deviceName,proto3" json:"deviceName,omitempty"`
+	TransportOption *transport.TransportOption      `protobuf:"bytes,4,opt,name=transportOption,proto3" json:"transportOption,omitempty"`
 }
 
 func (x *SetOnd) Reset() {
 	*x = SetOnd{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_gosdn_pnd_pnd_proto_msgTypes[11]
+		mi := &file_gosdn_pnd_pnd_proto_msgTypes[10]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1011,7 +958,7 @@ func (x *SetOnd) String() string {
 func (*SetOnd) ProtoMessage() {}
 
 func (x *SetOnd) ProtoReflect() protoreflect.Message {
-	mi := &file_gosdn_pnd_pnd_proto_msgTypes[11]
+	mi := &file_gosdn_pnd_pnd_proto_msgTypes[10]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1024,7 +971,7 @@ func (x *SetOnd) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use SetOnd.ProtoReflect.Descriptor instead.
 func (*SetOnd) Descriptor() ([]byte, []int) {
-	return file_gosdn_pnd_pnd_proto_rawDescGZIP(), []int{11}
+	return file_gosdn_pnd_pnd_proto_rawDescGZIP(), []int{10}
 }
 
 func (x *SetOnd) GetAddress() string {
@@ -1034,23 +981,23 @@ func (x *SetOnd) GetAddress() string {
 	return ""
 }
 
-func (x *SetOnd) GetUsername() string {
+func (x *SetOnd) GetSbi() *southbound.SouthboundInterface {
 	if x != nil {
-		return x.Username
+		return x.Sbi
 	}
-	return ""
+	return nil
 }
 
-func (x *SetOnd) GetPassword() string {
+func (x *SetOnd) GetDeviceName() string {
 	if x != nil {
-		return x.Password
+		return x.DeviceName
 	}
 	return ""
 }
 
-func (x *SetOnd) GetSbi() *SouthboundInterface {
+func (x *SetOnd) GetTransportOption() *transport.TransportOption {
 	if x != nil {
-		return x.Sbi
+		return x.TransportOption
 	}
 	return nil
 }
@@ -1064,7 +1011,7 @@ type SetSbi struct {
 func (x *SetSbi) Reset() {
 	*x = SetSbi{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_gosdn_pnd_pnd_proto_msgTypes[12]
+		mi := &file_gosdn_pnd_pnd_proto_msgTypes[11]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1077,7 +1024,7 @@ func (x *SetSbi) String() string {
 func (*SetSbi) ProtoMessage() {}
 
 func (x *SetSbi) ProtoReflect() protoreflect.Message {
-	mi := &file_gosdn_pnd_pnd_proto_msgTypes[12]
+	mi := &file_gosdn_pnd_pnd_proto_msgTypes[11]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1090,7 +1037,7 @@ func (x *SetSbi) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use SetSbi.ProtoReflect.Descriptor instead.
 func (*SetSbi) Descriptor() ([]byte, []int) {
-	return file_gosdn_pnd_pnd_proto_rawDescGZIP(), []int{12}
+	return file_gosdn_pnd_pnd_proto_rawDescGZIP(), []int{11}
 }
 
 type SetChange struct {
@@ -1105,7 +1052,7 @@ type SetChange struct {
 func (x *SetChange) Reset() {
 	*x = SetChange{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_gosdn_pnd_pnd_proto_msgTypes[13]
+		mi := &file_gosdn_pnd_pnd_proto_msgTypes[12]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1118,7 +1065,7 @@ func (x *SetChange) String() string {
 func (*SetChange) ProtoMessage() {}
 
 func (x *SetChange) ProtoReflect() protoreflect.Message {
-	mi := &file_gosdn_pnd_pnd_proto_msgTypes[13]
+	mi := &file_gosdn_pnd_pnd_proto_msgTypes[12]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1131,7 +1078,7 @@ func (x *SetChange) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use SetChange.ProtoReflect.Descriptor instead.
 func (*SetChange) Descriptor() ([]byte, []int) {
-	return file_gosdn_pnd_pnd_proto_rawDescGZIP(), []int{13}
+	return file_gosdn_pnd_pnd_proto_rawDescGZIP(), []int{12}
 }
 
 func (x *SetChange) GetCuid() string {
@@ -1161,7 +1108,7 @@ type SetResponse struct {
 func (x *SetResponse) Reset() {
 	*x = SetResponse{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_gosdn_pnd_pnd_proto_msgTypes[14]
+		mi := &file_gosdn_pnd_pnd_proto_msgTypes[13]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1174,7 +1121,7 @@ func (x *SetResponse) String() string {
 func (*SetResponse) ProtoMessage() {}
 
 func (x *SetResponse) ProtoReflect() protoreflect.Message {
-	mi := &file_gosdn_pnd_pnd_proto_msgTypes[14]
+	mi := &file_gosdn_pnd_pnd_proto_msgTypes[13]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1187,7 +1134,7 @@ func (x *SetResponse) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use SetResponse.ProtoReflect.Descriptor instead.
 func (*SetResponse) Descriptor() ([]byte, []int) {
-	return file_gosdn_pnd_pnd_proto_rawDescGZIP(), []int{14}
+	return file_gosdn_pnd_pnd_proto_rawDescGZIP(), []int{13}
 }
 
 func (x *SetResponse) GetTimestamp() int64 {
@@ -1216,16 +1163,16 @@ type ChangeRequest struct {
 	sizeCache     protoimpl.SizeCache
 	unknownFields protoimpl.UnknownFields
 
-	Id    string                     `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
-	Path  string                     `protobuf:"bytes,2,opt,name=path,proto3" json:"path,omitempty"`
-	Value string                     `protobuf:"bytes,3,opt,name=value,proto3" json:"value,omitempty"`
-	ApiOp ChangeRequest_ApiOperation `protobuf:"varint,4,opt,name=apiOp,proto3,enum=gosdn.pnd.ChangeRequest_ApiOperation" json:"apiOp,omitempty"`
+	Id    string       `protobuf:"bytes,1,opt,name=id,proto3" json:"id,omitempty"`
+	Path  string       `protobuf:"bytes,2,opt,name=path,proto3" json:"path,omitempty"`
+	Value string       `protobuf:"bytes,3,opt,name=value,proto3" json:"value,omitempty"`
+	ApiOp ApiOperation `protobuf:"varint,4,opt,name=apiOp,proto3,enum=gosdn.pnd.ApiOperation" json:"apiOp,omitempty"`
 }
 
 func (x *ChangeRequest) Reset() {
 	*x = ChangeRequest{}
 	if protoimpl.UnsafeEnabled {
-		mi := &file_gosdn_pnd_pnd_proto_msgTypes[15]
+		mi := &file_gosdn_pnd_pnd_proto_msgTypes[14]
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		ms.StoreMessageInfo(mi)
 	}
@@ -1238,7 +1185,7 @@ func (x *ChangeRequest) String() string {
 func (*ChangeRequest) ProtoMessage() {}
 
 func (x *ChangeRequest) ProtoReflect() protoreflect.Message {
-	mi := &file_gosdn_pnd_pnd_proto_msgTypes[15]
+	mi := &file_gosdn_pnd_pnd_proto_msgTypes[14]
 	if protoimpl.UnsafeEnabled && x != nil {
 		ms := protoimpl.X.MessageStateOf(protoimpl.Pointer(x))
 		if ms.LoadMessageInfo() == nil {
@@ -1251,7 +1198,7 @@ func (x *ChangeRequest) ProtoReflect() protoreflect.Message {
 
 // Deprecated: Use ChangeRequest.ProtoReflect.Descriptor instead.
 func (*ChangeRequest) Descriptor() ([]byte, []int) {
-	return file_gosdn_pnd_pnd_proto_rawDescGZIP(), []int{15}
+	return file_gosdn_pnd_pnd_proto_rawDescGZIP(), []int{14}
 }
 
 func (x *ChangeRequest) GetId() string {
@@ -1275,11 +1222,11 @@ func (x *ChangeRequest) GetValue() string {
 	return ""
 }
 
-func (x *ChangeRequest) GetApiOp() ChangeRequest_ApiOperation {
+func (x *ChangeRequest) GetApiOp() ApiOperation {
 	if x != nil {
 		return x.ApiOp
 	}
-	return ChangeRequest_UPDATE
+	return ApiOperation_UPDATE
 }
 
 var File_gosdn_pnd_pnd_proto protoreflect.FileDescriptor
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 }
 
 var (
@@ -1453,29 +1405,30 @@ func file_gosdn_pnd_pnd_proto_rawDescGZIP() []byte {
 }
 
 var file_gosdn_pnd_pnd_proto_enumTypes = make([]protoimpl.EnumInfo, 4)
-var file_gosdn_pnd_pnd_proto_msgTypes = make([]protoimpl.MessageInfo, 16)
+var file_gosdn_pnd_pnd_proto_msgTypes = make([]protoimpl.MessageInfo, 15)
 var file_gosdn_pnd_pnd_proto_goTypes = []interface{}{
-	(Change_State)(0),                    // 0: gosdn.pnd.Change.State
-	(SetChange_Operation)(0),             // 1: gosdn.pnd.setChange.Operation
-	(SetResponseStatus)(0),               // 2: gosdn.pnd.SetResponse.status
-	(ChangeRequest_ApiOperation)(0),      // 3: gosdn.pnd.ChangeRequest.ApiOperation
-	(*GetRequest)(nil),                   // 4: gosdn.pnd.GetRequest
-	(*GetPnd)(nil),                       // 5: gosdn.pnd.getPnd
-	(*GetOnd)(nil),                       // 6: gosdn.pnd.getOnd
-	(*GetSbi)(nil),                       // 7: gosdn.pnd.getSbi
-	(*GetChange)(nil),                    // 8: gosdn.pnd.getChange
-	(*GetResponse)(nil),                  // 9: gosdn.pnd.GetResponse
-	(*PrincipalNetworkDomain)(nil),       // 10: gosdn.pnd.PrincipalNetworkDomain
-	(*SouthboundInterface)(nil),          // 11: gosdn.pnd.SouthboundInterface
-	(*OrchestratedNetworkingDevice)(nil), // 12: gosdn.pnd.OrchestratedNetworkingDevice
-	(*Change)(nil),                       // 13: gosdn.pnd.Change
-	(*SetRequest)(nil),                   // 14: gosdn.pnd.SetRequest
-	(*SetOnd)(nil),                       // 15: gosdn.pnd.setOnd
-	(*SetSbi)(nil),                       // 16: gosdn.pnd.setSbi
-	(*SetChange)(nil),                    // 17: gosdn.pnd.setChange
-	(*SetResponse)(nil),                  // 18: gosdn.pnd.SetResponse
-	(*ChangeRequest)(nil),                // 19: gosdn.pnd.ChangeRequest
-	(*gnmi.Notification)(nil),            // 20: gnmi.Notification
+	(ApiOperation)(0),                      // 0: gosdn.pnd.ApiOperation
+	(Change_State)(0),                      // 1: gosdn.pnd.Change.State
+	(SetChange_Operation)(0),               // 2: gosdn.pnd.setChange.Operation
+	(SetResponseStatus)(0),                 // 3: gosdn.pnd.SetResponse.status
+	(*GetRequest)(nil),                     // 4: gosdn.pnd.GetRequest
+	(*GetPnd)(nil),                         // 5: gosdn.pnd.getPnd
+	(*GetOnd)(nil),                         // 6: gosdn.pnd.getOnd
+	(*GetSbi)(nil),                         // 7: gosdn.pnd.getSbi
+	(*GetChange)(nil),                      // 8: gosdn.pnd.getChange
+	(*GetResponse)(nil),                    // 9: gosdn.pnd.GetResponse
+	(*PrincipalNetworkDomain)(nil),         // 10: gosdn.pnd.PrincipalNetworkDomain
+	(*OrchestratedNetworkingDevice)(nil),   // 11: gosdn.pnd.OrchestratedNetworkingDevice
+	(*Change)(nil),                         // 12: gosdn.pnd.Change
+	(*SetRequest)(nil),                     // 13: gosdn.pnd.SetRequest
+	(*SetOnd)(nil),                         // 14: gosdn.pnd.setOnd
+	(*SetSbi)(nil),                         // 15: gosdn.pnd.setSbi
+	(*SetChange)(nil),                      // 16: gosdn.pnd.setChange
+	(*SetResponse)(nil),                    // 17: gosdn.pnd.SetResponse
+	(*ChangeRequest)(nil),                  // 18: gosdn.pnd.ChangeRequest
+	(*southbound.SouthboundInterface)(nil), // 19: gosdn.southbound.SouthboundInterface
+	(*gnmi.Notification)(nil),              // 20: gnmi.Notification
+	(*transport.TransportOption)(nil),      // 21: gosdn.transport.TransportOption
 }
 var file_gosdn_pnd_pnd_proto_depIdxs = []int32{
 	5,  // 0: gosdn.pnd.GetRequest.pnd:type_name -> gosdn.pnd.getPnd
@@ -1483,33 +1436,34 @@ var file_gosdn_pnd_pnd_proto_depIdxs = []int32{
 	7,  // 2: gosdn.pnd.GetRequest.sbi:type_name -> gosdn.pnd.getSbi
 	8,  // 3: gosdn.pnd.GetRequest.change:type_name -> gosdn.pnd.getChange
 	10, // 4: gosdn.pnd.GetResponse.pnd:type_name -> gosdn.pnd.PrincipalNetworkDomain
-	12, // 5: gosdn.pnd.GetResponse.ond:type_name -> gosdn.pnd.OrchestratedNetworkingDevice
-	11, // 6: gosdn.pnd.GetResponse.sbi:type_name -> gosdn.pnd.SouthboundInterface
-	13, // 7: gosdn.pnd.GetResponse.change:type_name -> gosdn.pnd.Change
-	12, // 8: gosdn.pnd.PrincipalNetworkDomain.ond:type_name -> gosdn.pnd.OrchestratedNetworkingDevice
-	11, // 9: gosdn.pnd.PrincipalNetworkDomain.sbi:type_name -> gosdn.pnd.SouthboundInterface
-	13, // 10: gosdn.pnd.PrincipalNetworkDomain.change:type_name -> gosdn.pnd.Change
+	11, // 5: gosdn.pnd.GetResponse.ond:type_name -> gosdn.pnd.OrchestratedNetworkingDevice
+	19, // 6: gosdn.pnd.GetResponse.sbi:type_name -> gosdn.southbound.SouthboundInterface
+	12, // 7: gosdn.pnd.GetResponse.change:type_name -> gosdn.pnd.Change
+	11, // 8: gosdn.pnd.PrincipalNetworkDomain.ond:type_name -> gosdn.pnd.OrchestratedNetworkingDevice
+	19, // 9: gosdn.pnd.PrincipalNetworkDomain.sbi:type_name -> gosdn.southbound.SouthboundInterface
+	12, // 10: gosdn.pnd.PrincipalNetworkDomain.change:type_name -> gosdn.pnd.Change
 	20, // 11: gosdn.pnd.OrchestratedNetworkingDevice.device:type_name -> gnmi.Notification
-	11, // 12: gosdn.pnd.OrchestratedNetworkingDevice.sbi:type_name -> gosdn.pnd.SouthboundInterface
-	0,  // 13: gosdn.pnd.Change.state:type_name -> gosdn.pnd.Change.State
-	15, // 14: gosdn.pnd.SetRequest.ond:type_name -> gosdn.pnd.setOnd
-	16, // 15: gosdn.pnd.SetRequest.sbi:type_name -> gosdn.pnd.setSbi
-	17, // 16: gosdn.pnd.SetRequest.change:type_name -> gosdn.pnd.setChange
-	19, // 17: gosdn.pnd.SetRequest.changeRequest:type_name -> gosdn.pnd.ChangeRequest
-	11, // 18: gosdn.pnd.setOnd.sbi:type_name -> gosdn.pnd.SouthboundInterface
-	1,  // 19: gosdn.pnd.setChange.op:type_name -> gosdn.pnd.setChange.Operation
-	2,  // 20: gosdn.pnd.SetResponse.Status:type_name -> gosdn.pnd.SetResponse.status
-	18, // 21: gosdn.pnd.SetResponse.responses:type_name -> gosdn.pnd.SetResponse
-	3,  // 22: gosdn.pnd.ChangeRequest.apiOp:type_name -> gosdn.pnd.ChangeRequest.ApiOperation
-	4,  // 23: gosdn.pnd.pnd.Get:input_type -> gosdn.pnd.GetRequest
-	14, // 24: gosdn.pnd.pnd.Set:input_type -> gosdn.pnd.SetRequest
-	9,  // 25: gosdn.pnd.pnd.Get:output_type -> gosdn.pnd.GetResponse
-	18, // 26: gosdn.pnd.pnd.Set:output_type -> gosdn.pnd.SetResponse
-	25, // [25:27] is the sub-list for method output_type
-	23, // [23:25] is the sub-list for method input_type
-	23, // [23:23] is the sub-list for extension type_name
-	23, // [23:23] is the sub-list for extension extendee
-	0,  // [0:23] is the sub-list for field type_name
+	19, // 12: gosdn.pnd.OrchestratedNetworkingDevice.sbi:type_name -> gosdn.southbound.SouthboundInterface
+	1,  // 13: gosdn.pnd.Change.state:type_name -> gosdn.pnd.Change.State
+	14, // 14: gosdn.pnd.SetRequest.ond:type_name -> gosdn.pnd.setOnd
+	15, // 15: gosdn.pnd.SetRequest.sbi:type_name -> gosdn.pnd.setSbi
+	16, // 16: gosdn.pnd.SetRequest.change:type_name -> gosdn.pnd.setChange
+	18, // 17: gosdn.pnd.SetRequest.changeRequest:type_name -> gosdn.pnd.ChangeRequest
+	19, // 18: gosdn.pnd.setOnd.sbi:type_name -> gosdn.southbound.SouthboundInterface
+	21, // 19: gosdn.pnd.setOnd.transportOption:type_name -> gosdn.transport.TransportOption
+	2,  // 20: gosdn.pnd.setChange.op:type_name -> gosdn.pnd.setChange.Operation
+	3,  // 21: gosdn.pnd.SetResponse.Status:type_name -> gosdn.pnd.SetResponse.status
+	17, // 22: gosdn.pnd.SetResponse.responses:type_name -> gosdn.pnd.SetResponse
+	0,  // 23: gosdn.pnd.ChangeRequest.apiOp:type_name -> gosdn.pnd.ApiOperation
+	4,  // 24: gosdn.pnd.pnd.Get:input_type -> gosdn.pnd.GetRequest
+	13, // 25: gosdn.pnd.pnd.Set:input_type -> gosdn.pnd.SetRequest
+	9,  // 26: gosdn.pnd.pnd.Get:output_type -> gosdn.pnd.GetResponse
+	17, // 27: gosdn.pnd.pnd.Set:output_type -> gosdn.pnd.SetResponse
+	26, // [26:28] is the sub-list for method output_type
+	24, // [24:26] is the sub-list for method input_type
+	24, // [24:24] is the sub-list for extension type_name
+	24, // [24:24] is the sub-list for extension extendee
+	0,  // [0:24] is the sub-list for field type_name
 }
 
 func init() { file_gosdn_pnd_pnd_proto_init() }
@@ -1603,18 +1557,6 @@ func file_gosdn_pnd_pnd_proto_init() {
 			}
 		}
 		file_gosdn_pnd_pnd_proto_msgTypes[7].Exporter = func(v interface{}, i int) interface{} {
-			switch v := v.(*SouthboundInterface); i {
-			case 0:
-				return &v.state
-			case 1:
-				return &v.sizeCache
-			case 2:
-				return &v.unknownFields
-			default:
-				return nil
-			}
-		}
-		file_gosdn_pnd_pnd_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*OrchestratedNetworkingDevice); i {
 			case 0:
 				return &v.state
@@ -1626,7 +1568,7 @@ func file_gosdn_pnd_pnd_proto_init() {
 				return nil
 			}
 		}
-		file_gosdn_pnd_pnd_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
+		file_gosdn_pnd_pnd_proto_msgTypes[8].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*Change); i {
 			case 0:
 				return &v.state
@@ -1638,7 +1580,7 @@ func file_gosdn_pnd_pnd_proto_init() {
 				return nil
 			}
 		}
-		file_gosdn_pnd_pnd_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
+		file_gosdn_pnd_pnd_proto_msgTypes[9].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*SetRequest); i {
 			case 0:
 				return &v.state
@@ -1650,7 +1592,7 @@ func file_gosdn_pnd_pnd_proto_init() {
 				return nil
 			}
 		}
-		file_gosdn_pnd_pnd_proto_msgTypes[11].Exporter = func(v interface{}, i int) interface{} {
+		file_gosdn_pnd_pnd_proto_msgTypes[10].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*SetOnd); i {
 			case 0:
 				return &v.state
@@ -1662,7 +1604,7 @@ func file_gosdn_pnd_pnd_proto_init() {
 				return nil
 			}
 		}
-		file_gosdn_pnd_pnd_proto_msgTypes[12].Exporter = func(v interface{}, i int) interface{} {
+		file_gosdn_pnd_pnd_proto_msgTypes[11].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*SetSbi); i {
 			case 0:
 				return &v.state
@@ -1674,7 +1616,7 @@ func file_gosdn_pnd_pnd_proto_init() {
 				return nil
 			}
 		}
-		file_gosdn_pnd_pnd_proto_msgTypes[13].Exporter = func(v interface{}, i int) interface{} {
+		file_gosdn_pnd_pnd_proto_msgTypes[12].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*SetChange); i {
 			case 0:
 				return &v.state
@@ -1686,7 +1628,7 @@ func file_gosdn_pnd_pnd_proto_init() {
 				return nil
 			}
 		}
-		file_gosdn_pnd_pnd_proto_msgTypes[14].Exporter = func(v interface{}, i int) interface{} {
+		file_gosdn_pnd_pnd_proto_msgTypes[13].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*SetResponse); i {
 			case 0:
 				return &v.state
@@ -1698,7 +1640,7 @@ func file_gosdn_pnd_pnd_proto_init() {
 				return nil
 			}
 		}
-		file_gosdn_pnd_pnd_proto_msgTypes[15].Exporter = func(v interface{}, i int) interface{} {
+		file_gosdn_pnd_pnd_proto_msgTypes[14].Exporter = func(v interface{}, i int) interface{} {
 			switch v := v.(*ChangeRequest); i {
 			case 0:
 				return &v.state
@@ -1723,7 +1665,7 @@ func file_gosdn_pnd_pnd_proto_init() {
 			GoPackagePath: reflect.TypeOf(x{}).PkgPath(),
 			RawDescriptor: file_gosdn_pnd_pnd_proto_rawDesc,
 			NumEnums:      4,
-			NumMessages:   16,
+			NumMessages:   15,
 			NumExtensions: 0,
 			NumServices:   1,
 		},
diff --git a/proto/gosdn/pnd/pnd.proto b/proto/gosdn/pnd/pnd.proto
index 26eeeca72e4f636b356f7c3dfa46ddd16bd6db99..3f1d583aed1d3a3dc9977e46fcc08e0c07c57ffb 100644
--- a/proto/gosdn/pnd/pnd.proto
+++ b/proto/gosdn/pnd/pnd.proto
@@ -4,6 +4,8 @@ package gosdn.pnd;
 
 import "google/protobuf/descriptor.proto";
 import "github.com/openconfig/gnmi/proto/gnmi/gnmi.proto";
+import "gosdn/transport/transport.proto";
+import "gosdn/southbound/southbound.proto";
 
 option go_package = "code.fbi.h-da.de/cocsn/api/go/gosdn/pnd";
 
@@ -44,7 +46,7 @@ message GetResponse {
   int64 timestamp = 1;          // Timestamp in nanoseconds since Epoch.
     PrincipalNetworkDomain pnd = 2;
     repeated OrchestratedNetworkingDevice ond = 3;
-    repeated SouthboundInterface sbi = 5;
+    repeated .gosdn.southbound.SouthboundInterface sbi = 5;
     repeated Change change = 7;
 }
 
@@ -53,20 +55,15 @@ message PrincipalNetworkDomain {
   string name = 2;
   string description = 3;
   repeated OrchestratedNetworkingDevice ond = 4;
-  repeated SouthboundInterface sbi = 5;
+  repeated .gosdn.southbound.SouthboundInterface sbi = 5;
   repeated Change change = 6;
 }
 
-message SouthboundInterface {
-  string id = 1;
-  int32 type = 2;
-}
-
 message OrchestratedNetworkingDevice {
   string id = 1;
   string name = 2;
   repeated gnmi.Notification device = 3;
-  SouthboundInterface sbi = 4;
+  .gosdn.southbound.SouthboundInterface sbi = 4;
 }
 
 message Change {
@@ -91,9 +88,9 @@ message SetRequest {
 
 message setOnd {
   string address = 1;
-  string username = 2;
-  string password = 3;
-  SouthboundInterface sbi = 4;
+  .gosdn.southbound.SouthboundInterface sbi = 2;
+  string deviceName = 3;
+  .gosdn.transport.TransportOption transportOption = 4;
 }
 
 message setSbi {
@@ -121,13 +118,14 @@ message SetResponse{
 }
 
 message ChangeRequest {
-  enum ApiOperation {
-    UPDATE = 0;
-    REPLACE = 1;
-    DELETE = 2;
-  }
   string id = 1;
   string path = 2;
   string value = 3;
   ApiOperation apiOp = 4;
+}
+
+enum ApiOperation {
+  UPDATE = 0;
+  REPLACE = 1;
+  DELETE = 2;
 }
\ No newline at end of file