Re: I-D ACTION:draft-chen-ccamp-ospf-interas-te-extension-01.txt

[Mach Chen <[e-mail]>]

Hi vijay,

First, thanks for your questions.

So far this version doesn't mention inter-as multi-access links, an alternative method, as you said, 
of describing this kind of links is to treat them as multiple P2P links. I will supplement this description
in the future revised version.

Best regards,

Mach

----- Original Message ----- 
From: "Vijayanand C - TLS, Chennai." <[e-mail]>
To: "Mach Chen" <[e-mail]>; <[e-mail]>
Sent: Friday, February 02, 2007 3:30 PM
Subject: RE: I-D ACTION:draft-chen-ccamp-ospf-interas-te-extension-01.txt



The draft does not seem to address multi-access links between ASes.
Should the inter-AS link only be a point to point link or you are trying
to model multi-access links as multiple P2P links ( in which case B.W
calculations etc would not be straightforward)



Regards
Vijay

> -----Original Message-----
> From: [e-mail] [mailto:[e-mail]] On
Behalf
> Of Mach Chen
> Sent: Friday, February 02, 2007 6:49 AM
> To: [e-mail]
> Subject: Fw: I-D
ACTION:draft-chen-ccamp-ospf-interas-te-extension-01.txt
> 
> Hi,
> 
> We have just submitted the second revision of our
I-D,draft-chen-ccamp-
> ospf-interas-te-extensions.
> 
> The problem we are trying to solve is how a PCE or entry-point ASBR
can
> select the exit-point ASBR for a TE LSP when it knows (from the ERO)
the
> downstream AS or the downstream ASBR. We believe that IGP needs to
flood
> the inter-AS TE links together with additional information about the
> neighboring AS and ASBR. The problem arises for both the pd-path and
brpc
> computation methods.
> 
> We would welcome your input on our problem statement and our proposed
> solution.
> 
> Best regards,
> 
> Mach & Renhai
> 
> ----- Original Message -----
> From: <[e-mail]>
> To: <[e-mail]>
> Sent: Friday, February 02, 2007 4:50 AM
> Subject: I-D ACTION:draft-chen-ccamp-ospf-interas-te-extension-01.txt
> 
> 
> >A New Internet-Draft is available from the on-line Internet-Drafts
> > directories.
> >
> >
> > Title : OSPF Extensions in Support of Inter-AS (G)MPLS TE
> > Author(s) : M. Chen, R. Zhang
> > Filename : draft-chen-ccamp-ospf-interas-te-extension-01.txt
> > Pages : 11
> > Date : 2007-2-1
> >
> > This document describes extensions to the OSPF protocol to support
> >   Multiprotocol Label Switching (MPLS) and Generalized MPLS (GMPLS)
> >   Traffic Engineering (TE) for multiple Autonomous Systems (ASes).
It
> >   defines OSPF extensions for the flooding of inter-AS links which
can
> >   be used to perform inter-AS path computation.
> >
> > A URL for this Internet-Draft is:
> >
http://www.ietf.org/internet-drafts/draft-chen-ccamp-ospf-interas-te-
> extension-01.txt
> >
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