End system
                 |
                 |
                 |  DetNet aware ?
                / \ 
        +------<   >------+
     NO |       \ /       | YES
        |        v        |
 DetNet-unaware           |
   End system             |
                          | Service/Forwarding
                          |  sub-layer
                         / \  aware ?
               +--------<   >-------------+
       f-aware |         \ /              | s-aware
               |          v               |
               |          | both          |
               |          |               |
       DetNet f-aware     |        DetNet s-aware
         End system       |         End system
                          v
                    DetNet sf-aware
                      End system