The MPLS WG Archive

["Adrian Farrel" <adrian@olddog.co.uk>]

Hi,

Just to draw your attention to this I-D.

Since Paris we have added quite a lot of new text to describe three
potential mechanisms for supporting multicast LDP traffic on multi-access
links and over P2MP MPLS-TE tunnels.

Out intention with this I-D is to generate some discussion about the
issues surrounding this function. We are not, at this stage, recommending
any one solution, but we do think that it would be valuable to discuss the
pros and cons of the different solutions.

Comments, as always, would be welcome.

We have requested a slot on the agenda in Vancouver to highlight some of
the issues and to open up the discussion.

Thanks,
Adrian
----- Original Message ----- 
From: <Internet-Drafts@ietf.org>
To: <i-d-announce@ietf.org>
Sent: Tuesday, October 25, 2005 11:50 PM
Subject: I-D ACTION:draft-yasukawa-mpls-ldp-mcast-over-p2mp-lsps-01.txt


> A New Internet-Draft is available from the on-line Internet-Drafts
directories.
>
>
> Title : Support of LDP Multicast Label Switched Paths
>                           over Point-to-Multipoint Label Switched Path
>                           Tunnels and on Multi-Access Links
> Author(s) : S. Yasukawa, A. Farrel
> Filename : draft-yasukawa-mpls-ldp-mcast-over-p2mp-lsps-01.txt
> Pages : 28
> Date : 2005-10-25
>
> Multiprotocol Label Switching (MPLS) includes the facility to
>    provision point-to-multipoint (P2MP) Traffic Engineered (TE) Label
>    Switched Paths (LSPs) which can be used to construct P2MP tunnels
>    across MPLS networks.
>
>    The Label Distribution Protocol (LDP) has also been extended to
>    support label distribution for multicast traffic by forming multicast
>    LSPs.
>
>    When traffic for a user network is carried across a provider network,
>    it is common practice for the traffic to be placed in tunnels. This
>    document examines the requirements to carry multicast LDP traffic
>    across a provider network within P2MP MPLS tunnels, and introduces
>    solution models that meet those requirements.
>
>    Note that the requirements and solutions discussed in this document
>    are also applicable to the use of multicast LDP on multi-access
>    networks.
>
> A URL for this Internet-Draft is:
>
http://www.ietf.org/internet-drafts/draft-yasukawa-mpls-ldp-mcast-over-p2mp-lsps-01.txt


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