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Re: doubts about PSC and L2SC in draft-ietf-ccamp-gmpls-architecture-00
PSC is for Layer 3 packets encapsulated in an MPLS
header. L2SC is for Layer 2 packets (as you say,
ATM and Frame Relay) where the MPLS label reflects
the layer 2 address. L2SC is *not* for ATM/Frame
transport over MPLS (for that, see the PWE3 WG).
PS. Incidentally, L2SC was introduced in the GMPLS
*routing* documents, not in the architecture doc.
--- firstname.lastname@example.org wrote:
> In the original GMPLS architecture, PSC interfaces
> were introduced for
> the packet layer. Why in this document L2SC
> interfaces are introduced?
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