The MPLS WG Archive

["Vijayanand C - CTD, Chennai." <vijayc@hcltech.com>]

I have a few questions on this draft.

You seem to be sending multicast unregister information through a status TLV
in the notification message. if the peer PE does nt support this feature
this might be silently ignored and unwanted multicast traffic may still be
sent to the peer whos not interested in it. Is there any provision for a PE
to notify this and/or withdraw labels it has sent or any other measure to
stop receiving such unwanted traffic. 

It is not clear how multiple instances are handled in the signalling.


Vijay

> -----Original Message-----
> From: Prabakaran T Sampath [mailto:prabakarts@future.futsoft.com]
> Sent: Thursday, March 31, 2005 12:16 PM
> To: mpls@ietf.org
> Subject: [mpls] FW: I-D 
> ACTION:draft-praba-l2vpn-vpls-mcast-emul-01.txt
> 
> 
> Dear MPLS-WG,
> 
> This is Prabakaran T.S. and Musthafa A.S. from FutureSoft, a 
> Flextronics
> company.
> We have come up with some concept and contributed it as a IETF
> draft in VPLS. This draft basically deals with LDP signalling
> so sending it to MPLS-WG. Kindly go through this draft
> and give us your valuable comments and feedback either in
> working group or directly to us by email.
> 
> Thanks in advance,
> 
> Best regards,
> Prabakaran T.S.
> Musthafa A.S.
> FutureSoft, a Flextronics company,
> 480-481 Anna salai,
> Nandanam,
> Chennai-600035. INDIA.
> Ph: +91-44-24330550
> 
> -----Original Message-----
> From: i-d-announce-bounces@ietf.org
> [mailto:i-d-announce-bounces@ietf.org]On Behalf Of
> Internet-Drafts@ietf.org
> Sent: Thursday, 31 March 2005 2:08 AM
> To: i-d-announce@ietf.org
> Subject: I-D ACTION:draft-praba-l2vpn-vpls-mcast-emul-01.txt
> 
> 
> A New Internet-Draft is available from the on-line Internet-Drafts
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> 
> 
> 	Title		: Multicast Emulation over VPLS
> 	Author(s)	: Prabakaran. Ts, Musthafa. As
> 	Filename	: draft-praba-l2vpn-vpls-mcast-emul-01.txt
> 	Pages		: 14
> 	Date		: 2005-3-30
> 
> In Virtual Private LAN Service (VPLS), the PE devices provide a
>    logical interconnect such that CE devices belonging to a specific
>    VPLS instance appear to be connected by a single LAN.  A VPLS
>    solution performs replication for multicast traffic at the ingress
>    PE devices.  When replicated at the ingress PE, multicast traffic
>    wastes bandwidth when 1. Multicast traffic is sent to sites with no
>    members, and 2. Pseudo wires to different sites go through a shared
>    path. This document addresses the above cases by using LDP
>    signaling to emulate Multicast operation over VPLS with out using
>    IGMP and PIM snooping as described in [VPLS-MCAST].
> 
> A URL for this Internet-Draft is:
> http://www.ietf.org/internet-drafts/draft-praba-l2vpn-vpls-mca
> st-emul-01.txt
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