RE: [mpls] draft-raggarwa-mpls-rsvp-upstream-00 for wg doc?

Vijay,

I think the collision won't happen bcoz Rd will be using different
(context-specific) labelspace for the label distributed by peer Ru (as a
part of upstream assigned label) and that distributed by itself to other
peers (as a part of downstream assigned label). So if Rd support
upstream-assigned label bindings then it maintains different ILM tables
for different context-specific labelspaces. And when Rd gets a labeled
pkt it first determines the context-specific labelspace and hence looks
up for the label in the corresponding ILM table. Section 7 of
"draft-raggarwa-mpls-upstream-label-01.txt" gives some insight on this.

Regards,
-Anjan

-----Original Message-----
From: mpls-bounces@lists.ietf.org [mailto:mpls-bounces@lists.ietf.org]
On Behalf Of Vijayanand C - CTD, Chennai.
Sent: Tuesday, February 14, 2006 7:27 PM
To: Loa Andersson; mpls@ietf.org
Subject: RE: [mpls] draft-raggarwa-mpls-rsvp-upstream-00 for wg doc?

I have a question/suggestion here applicable to both the drafts-
 While the downstream(Rd) indicates its capability to accept upstream
labels
from its peer(Ru),would nt it be desirable for it to advertise a label
range
it can accept. This would avoid problems of the upstream assigned label
distributed by a peer(Ru)  colliding with an LSRs(Rd) own downstream
assigned label which it has distributed out to its other peers(other
than
Ru) for other FECs/flows, especially when the upstream label is not
tunneled
in ip or mpls.

Regards,
Vijay

> -----Original Message-----
> From: mpls-bounces@lists.ietf.org 
> [mailto:mpls-bounces@lists.ietf.org]On
> Behalf Of Loa Andersson
> Sent: Friday, February 03, 2006 9:46 PM
> To: mpls@ietf.org
> Subject: [mpls] draft-raggarwa-mpls-rsvp-upstream-00 for wg doc?
> 
> 
> All,
> 
> the authors of draft-raggarwa-mpls-rsvp-upstream-00
> has requested that it is made a working group document.
> 
> Please review, comment and respond to the working group mailing
> list if you support it becoming a wg or not.
> 
> /Loa and George
> 
> PS
> 
> yes - there are two separate polls one for
> 
> draft-raggarwa-mpls-ldp-upstream-00
> and one for
> draft-raggarwa-mpls-rsvp-upstream-00
> 
> :)
> 
> 
> -- 
> Loa Andersson
> 
> Principal Networking Architect
> Acreo AB                           phone:  +46 8 632 77 14
> Isafjordsgatan 22                  mobile: +46 739 81 21 64
> Kista, Sweden                      email:  loa.andersson@acreo.se
>                                             loa@pi.se
> 
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