Update 05-implementation.md

documentation/design/05-implementation.md

@@ -45,20 +45,22 @@ databases should be used to store the different topology graphs and their
 pontential dependencies? How should the interface between gosdn and this
 database look like?
 
-Here is an attempt to describe the above text in a graphical reprensetation:
+Here is an attempt to describe the above text in a graphical reprensetation (not ready YET!): 
 
 ```mermaid
 graph TB
 
   SubGraph1 --> SubGraph1Flow
-  subgraph "SubGraph 1 Flow"
+  subgraph "G_logical1"
   SubGraph1Flow(SubNode 1)
   SubGraph1Flow -- Choice1 --> DoChoice1
   SubGraph1Flow -- Choice2 --> DoChoice2
   end
 
-  subgraph "Main Graph"
-  Node1[Node 1] --> Node2[Node 2]
+  subgraph "G_physical"
+  Node1[Node 1] <--> Node2[Node 2] <--> Node3[Node 3]
+  Node4[Node 4] <--> Node2[Node 2] <--> Node5[Node 5]
+
   Node2 --> SubGraph1[Jump to SubGraph1]
   SubGraph1 --> FinalThing[Final Thing]
 end