A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Multipoint Label Distribution Protocol In-Band Signaling in a VPN Context
Author(s) : IJsbrand Wijnands
Paul Hitchen
Nicolai Leymann
Wim Henderickx
Filename : draft-wijnands-mpls-mldp-vpn-in-band-signaling-00.txt
Pages : 13
Date : 2011-10-07
Sometimes an IP multicast distribution tree (MDT) traverses both
MPLS-enabled and non-MPLS-enabled regions of a network. Typically
the MDT begins and ends in non-MPLS regions, but travels through an
MPLS region. In such cases, it can be useful to begin building the
MDT as a pure IP MDT, then convert it to an MPLS Multipoint LSP
(Label Switched Path) when it enters an MPLS-enabled region, and then
convert it back to a pure IP MDT when it enters a non-MPLS-enabled
region. [I-D.ietf-mpls-mldp-in-band-signaling] specifies the
procedures for building such a hybrid MDT, using Protocol Independent
Multicast (PIM) as the control protocol in the non-MPLS region of the
network, and using Multipoint Extensions to Label Distribution
Protocol (mLDP) in the MPLS region. This document extends those
procedures so that they will work when the links between the MPLS and
non-MPLS regions are [RFC4364] interfaces. While these procedures do
not provide a good general multicast VPN solution, they are useful in
certain specific situations.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-wijnands-mpls-mldp-vpn-in-band-signaling-00.txt
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
This Internet-Draft can be retrieved at:
ftp://ftp.ietf.org/internet-drafts/draft-wijnands-mpls-mldp-vpn-in-band-signaling-00.txt
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