+-------+                              +-------+
               |PCC    |                              |  PCE  |
               |ingress|                              +-------+
        +------|       |                                  |
        | PCC  +-------+                                  |
        | transit| |                                      |
 +------|        | |                                      | 
 |PCC   +--------+ |                                      | 
 |egress  |  |     |                                      |
 +--------+  |     |                                      |
     |       |     |                                      |
     |<-------PCInitiate,CC-ID=X,PLSP-ID=2----------------| Label
     |       |     |                   R=1                | cleanup
     |--------PCRpt,CC-ID=X,PLSP-ID=2-------------------->| CCI
     |       |     |              R=1                     |
     |       |<------PCInitiate,CC-ID=Y1,Y2,PLSP-ID=2-----| Label
     |       |     |                          R=1         | cleanup
     |       |-------PCRpt,CC-ID=Y1,Y2,PLSP-ID=2--------->| CCI
     |       |     |                         R=1          |
     |       |     |<----PCInitiate,CC-ID=Z,PLSP-ID=2-----| Label
     |       |     |                              R=1     | cleanup
     |       |     |-----PCRpt,CC-ID=Z,PLSP-ID=2--------->| CCI
     |       |     |                         R=1          |
     |       |     |<--PCInitiate,PLSP-ID=2,PST=2,R=1-----| PCECC LSP
     |       |     |                                      | remove