+------+  +------+  +------+
App-flow           |  X   |  |  X   |  |  X   |
             +-----+======+--+======+--+======+-----+
DetNet-MPLS        | d-CW |  | d-CW |  | d-CW |
                   +------+  +------+  +------+
                   |Labels|  |Labels|  |Labels|
             +-----+======+--+======+--+======+-----+
Sub-network        |  L2  |  | TSN  |  | UDP  |
                   +------+  +------+  +------+
                                       |  IP  |
                                       +------+
                                       |  L2  |
                                       +------+