A question on draft-ietf-ccamp-gmpls-architecture-02.txt

[Anoop Ghanwani <anoop@lanterncom.com>]

I'm referring to Section 3.2 of the document:

..
   2. Layer-2 Switch Capable (L2SC) interfaces: 
    
   Interfaces that recognize frame/cell boundaries and can forward data 
   based on the content of the frame/cell header. Examples include 
   interfaces on Ethernet bridges that forward data based on the 
   content of the MAC header and interfaces on ATM-LSRs that forward 
   data based on the ATM VPI/VCI. 
..

Why is an Ethernet bridge of any interest to GMPLS?  There's
nothing in the bridged frame that can be used to control
forwarding using GMPLS.

Would appreciate it if any of the authors could shed some
light on this.

Thanks,
-Anoop