A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Upstream LSR Redundancy for Multi-point LDP Tunnels
Author(s) : Pranjal Kumar Dutta
Wim Henderickx
Filename : draft-pdutta-mpls-mldp-up-redundancy-00.txt
Pages : 9
Date : 2011-07-04
Label Distribution Protocol (LDP) can be used to set up Point-to-
Multipoint (P2MP) and Multipoint-to-Multipoint (MP2MP) Label Switched
Paths. The existing specification for this functionality assumes that
a downstream LSR selects only one upstream LSR for a P2MP or MP2MP
LSP. A Make-Before-Break (MBB) procedure in mLdp base specification
[MLDP] for graceful upstream LSR change but that is not applicable
when the upstream LSR node fails. As IPTV deployments grow in number
and size, service providers are looking for solutions that minimize
the service disruption due to such failures. This document describes
a set of procedures that minimize packet loss when an upstream LSR
node fails. This document does not change any specifications of mLdp
protocol as defined in [MLDP] and so there are no inter-operability
requirements for the procedures described in this document.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-pdutta-mpls-mldp-up-redundancy-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-pdutta-mpls-mldp-up-redundancy-00.txt
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