IP              Edge                        Edge         IP
 End System      Node                        Node         End System

+----------+   +.........+                 +.........+   +----------+
|   Appl.  |<--:Svc Proxy:-- E2E Service---:Svc Proxy:-->|   Appl.  |
+----------+   +.........+                 +.........+   +----------+
|    IP    |<--:IP : :Svc:---- IP flow ----:Svc: :IP :-->|    IP    |
+----------+   +---+ +---+                 +---+ +---+   +----------+
|Forwarding|   |Fwd| |Fwd|                 |Fwd| |Fwd|   |Forwarding|
+--------.-+   +-.-+ +-.-+                 +-.-+ +-.-+   +---.------+
         :  Link :      \      ,-----.      /     /  ,-----.  \
         +.......+       +----[  Sub- ]----+     +--[  Sub- ]--+
                              [network]             [network]
                               `-----'               `-----'

      |<--- IP --->| |<------ DetNet IP ------>| |<--- IP --->|