/->     +------+  +------+  +------+            ^ ^
           |       |  X   |  |  X   |  |  X   |<- App-flow : :
           |       +------+  +------+  +------+            : :
App-flow <-+       |NProto|  |NProto|  |NProto|            : :(1)
 for MPLS  |       +------+  +------+  +------+            : :
           |       |  IP  |  |  IP  |  |  IP  |            : v
           \-> +---+======+--+======+--+======+-----+      :
DetNet-MPLS        | d-CW |  | d-CW |  | d-CW |            :
                   +------+  +------+  +------+            :(2)
                   |Labels|  |Labels|  |Labels|            v
               +---+======+--+======+--+======+-----+
Link/Sub-network   |  L2  |  | TSN  |  | UDP  |
                   +------+  +------+  +------+
                                       |  IP  |
                                       +------+
                                       |  L2  |
                                       +------+
    (1) DetNet IP Flow (or simply IP flow)
    (2) DetNet MPLS Flow