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Cell Relay Retreat>MPLS WG Archive>month:2002-Oct> msg00129



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DiffServ MPLS over Ethernet (L-LSP vs E-LSP)

  • From: "mark seery" <mseery@ix.netcom.com>
  • Date: Tue, 22 Oct 2002 05:47:33 -0700
  • Cc: "Vishal M" <vishal_study@yahoo.com>, <mpls@UU.NET>

Thanks Francois,

>> [snip] PS:  A few clarifications, addressing some comments in the thread:
- the Shim header is absolutely always used on Ethernet <<

So to answer the original question, if a shim is always used, then both
E-LSP and L-LSP can be supported. In a non-shim scenario, E-LSP could only
be supported if the equivalent (shim header) bits were available in
existing/other (layer2?) headers.

-mark



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