home.md

 ```plantuml
-@startuml gosdn
-namespace arista {
-    class SBI << (S,Aquamarine) >> {
-        - transport nucleus.Transport
-    }
-}
+@startuml
+namespace nucleus {
+    class ClientConfig << (S,Aquamarine) >> {
+        + Identifier string
+        + Endpoint string
+        + Username string
+        + Password string
+        + GjsonDefaultPath string
+        + GjsonConnectionsPath string
 
-namespace ciena {
-    class SBI << (S,Aquamarine) >> {
-        - transport nucleus.Transport
-    }
     }
-
-namespace nucleus {
     class Core << (S,Aquamarine) >> {
-        - clients <font color=blue>map</font>[string]nucleus.Client
+        - devices <font color=blue>map</font>[string]Device
+        - southboundInterfaces <font color=blue>map</font>[string]interfaces.SouthboundInterface
+        - prinipalNetworkDomains <font color=blue>map</font>[uuid.UUID]interfaces.PrincipalNetworkDomain
         - database database.Database
         - config controllerConfig
 
@@ -27,12 +26,34 @@ namespace nucleus {
         + Shutdown() 
 
     }
-    class Device  {
-        - device ygot.Device
-        - Sbi nucleus.SouthboundInterface
-        - Config nucleus.DeviceConfig
+    class Device << (S,Aquamarine) >> {
+        - device ygot.GoStruct
+
+        + SBI interfaces.SouthboundInterface
+        + Config DeviceConfig
+
     }
+    class DeviceConfig << (S,Aquamarine) >> {
+        + Identifier uuid.UUID
+        + Endpoint string
+        + Username string
+        + Password string
+
+    }
+    interface PrincipalNetworkDomain  {
+        + Destroy() error
+        + AddSbi() error
+        + RemoveSbi() error
+        + AddDevice( interfaces.Device) error
+        + RemoveDevice(uuid uuid.UUID) error
 
+    }
+    interface SouthboundInterface  {
+    }
+    class buf << (S,Aquamarine) >> {
+        + Write(p []byte) (int, error)
+
+    }
     class controllerConfig << (S,Aquamarine) >> {
         + CliSocket string
         + DatabaseSocket string
@@ -42,92 +63,56 @@ namespace nucleus {
         + ConfigPath string
 
     }
-    class pndImplementation << (S,Aquamarine) >> {
-        - name string
-        - sbiContainer map[string]nucleus.SouthboundInterface
-        - devices map[uuid]Device
+    class logConnection << (S,Aquamarine) >> {
+        - stream proto.GrpcCli_CreateLogStreamServer
+        - id string
+        - active bool
+        - error <font color=blue>chan</font> error
 
     }
-
-        class Database << (S,Aquamarine) >> {
-        - driver neo4j.Driver
-
-        + StorePND(pnd *PND) neo4j.Node
-        + RemovePND(id string) 
-        + GetPNDByID(id string) 
-        + GetNodesByLabel(label string) 
-        + GetNodeByID(id string) 
-        + StoreNodes(json string) []neo4j.Node
-        + RemoveNodes(json string) 
-        + RemoveSingleNode(id string) 
-        + StoreLinks(json string) []neo4j.Relationship
-        + StoreNodeEdgePoints(json string) 
-        + StoreConnections(json string) 
-        + Shutdown() error
-
+    class nucleus.buf << (T, #FF7700) >>  {
     }
+    class pndImplementation << (S,Aquamarine) >> {
+        - name string
+        - sbiContainer <font color=blue>map</font>[string]*interfaces.SouthboundInterface
+        - devices <font color=blue>map</font>[uuid.UUID]Device
 
-    class gnmi << (S,Aquamarine) >> {
+        + Destroy() error
+        + AddSbi() error
+        + RemoveSbi() error
+        + AddDevice(device Device) error
+        + RemoveDevice(uuid uuid.UUID) error
 
     }
+    class server << (S,Aquamarine) >> {
+        - core *Core
+        - logConnections []*logConnection
 
-    class restconf << (S,Aquamarine) >> {
-
-    }
-    class tapi << (S,Aquamarine) >> {
-        - transport nucleus.Transport
+        + SayHello(ctx context.Context, in *proto.HelloRequest) (*proto.HelloReply, error)
+        + CreateLogStream(req *emptypb.Empty, stream proto.GrpcCli_CreateLogStreamServer) error
+        + BroadcastLog(log *proto.LogReply) 
+        + Shutdown(ctx context.Context, in *proto.ShutdownRequest) (*proto.ShutdownReply, error)
+        + TAPIGetEdge(ctx context.Context, in *proto.TAPIRequest) (*proto.TAPIReply, error)
+        + TAPIGetEdgeNode(ctx context.Context, in *proto.TAPIRequest) (*proto.TAPIReply, error)
+        + TAPIGetLink(ctx context.Context, in *proto.TAPIRequest) (*proto.TAPIReply, error)
 
-        + GetConnections(Device) ([]byte, error)
-        + GetLinks(Device) ([]byte, error)
-        + GetNodes(Device) ([]byte, error)
-        + GetNodeEdgePoints(Device) ([]byte, error)
     }
-    class openconfig << (S,Aquamarine) >> {
-        - transport nucleus.Transport
 }
+"proto.UnimplementedGrpcCliServer" *-- "nucleus.server"
 
-    class DeviceConfig << (S,Aquamarine) >> {
-        + Identifier uuid
-        + Endpoint string
-        + Username string
-        + Password string
-    }
-    interface PrincipalNetworkDomain  {
-        + Destroy() error
-        + AddSbi() error
-        + RemoveSbi() error
-        + AddDevice() error
-        + RemoveDevice() error
 
-    }
-    interface SouthboundInterface  {
+namespace sbi {
+    class OpenConfig << (S,Aquamarine) >> {
+        - name string
+        - clientContainer []Client
+
         + AddClient() error
         + RemoveClient() error
         + CollectHeartbeats() error
-        + ListClients() <font color=blue>map</font>[int]Client
-
-    }
-    interface Transport  {
-        + SetConfig( <font color=blue>interface</font>{}) error
-        + GetConfig() <font color=blue>interface</font>{}
+        + ListClients() <font color=blue>map</font>[int]interfaces.Client
 
     }
 }
-
-"nucleus.PrincipalNetworkDomain" <|-- "nucleus.pndImplementation"
-"nucleus.PrincipalNetworkDomain" "1" *-- "many" "nucleus.Device"
-"nucleus.PrincipalNetworkDomain" "1" *-- "many" "nucleus.SouthboundInterface"
-"nucleus.Transport" <|-- "nucleus.gnmi"
-"nucleus.Transport" <|-- "nucleus.restconf"
-"nucleus.Device" <|-- "nucleus.DeviceConfig"
-"nucleus.SouthboundInterface" <|-- "nucleus.Transport"
-"nucleus.SouthboundInterface" <|-- "nucleus.tapi"
-"nucleus.SouthboundInterface" <|-- "nucleus.openconfig"
-"nucleus.SouthboundInterface" <|-- "arista.SBI"
-"nucleus.SouthboundInterface" <|-- "ciena.SBI"
-"nucleus.Core" <|-- "nucleus.controllerConfig"
-"nucleus.Core" <|-- "nucleus.Database"
-"nucleus.Core" "1" *-- "many" "nucleus.PrincipalNetworkDomain"
 @enduml
 
 ```
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