RE: Re: doubts about PSC and L2SC in draft-ietf-ccamp-gmpls-architecture-00

[wesam.alanqar@mail.sprint.com]

Hi Kireeti,

Thanks for the input. 
Does this mean that in the GMPLS hierarchal model we will have (PSC or
L2SC) over TDM over LSC over FSC layers?

Thanks.
-Wesam
-----Original Message-----
From: k.kompella [mailto:k_kompella@yahoo.com]
Sent: Wednesday, July 04, 2001 4:05 AM
To: wesam.alanqar; ccamp
Subject: Re: doubts about PSC and L2SC in
draft-ietf-ccamp-gmpls-architecture-00


Hi,

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).

Kireeti.

PS.  Incidentally, L2SC was introduced in the GMPLS
*routing* documents, not in the architecture doc.

--- wesam.alanqar@mail.sprint.com wrote:
> Hi,
> 
> 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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