DetNet MPLS       Relay       Transit         Relay       DetNet MPLS
End System        Node         Node           Node        End System
   (T-PE)        (S-PE)       (LSR)          (S-PE)         (T-PE)
+----------+                                             +----------+
|   Appl.  |<------------ End-to-End Service ----------->|   Appl.  |
+----------+   +---------+                 +---------+   +----------+
| Service  |<--| Service |-- DetNet flow --| Service |-->| Service  |
+----------+   +---------+  +----------+   +---------+   +----------+
|Forwarding|   |Fwd| |Fwd|  |Forwarding|   |Fwd| |Fwd|   |Forwarding|
+-------.--+   +-.-+ +-.-+  +----.---.-+   +-.-+ +-.-+   +---.------+
        :  Link  :    /  ,-----.  \   : Link :    /  ,-----.  \
        +........+    +-[ Sub-  ]-+   +......+    +-[ Sub-  ]-+
                        [Network]                   [Network]
                         `-----'                     `-----'
        |<- LSP -->| |<-------- LSP -----------| |<--- LSP -->|

        |<----------------- DetNet MPLS --------------------->|