A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Multiprotocol Label Switching Working Group of the IETF.
Title : Label Switched Path (LSP) and Pseudowire (PW) Ping/Trace over MPLS Network using Entropy Labels (EL)
Authors : Nobo Akiya
George Swallow
Carlos Pignataro
Andrew G. Malis
Sam Aldrin
Filename : draft-ietf-mpls-entropy-lsp-ping-00.txt
Pages : 21
Date : 2014-12-09
Abstract:
The Multiprotocol Label Switching (MPLS) Label Switched Path (LSP)
Ping and Traceroute are used to exercise specific paths of Equal-Cost
Multipath (ECMP). When LSP is signaled to use Entropy Label (EL)
described in RFC6790, the ability for LSP Ping and Traceroute
operation to discover and exercise ECMP paths has been lost in
scenarios which LSRs apply deviating load balance techniques. One
such scenario is when some LSRs apply EL based load balancing while
other LSRs apply non-EL based load balancing (ex: IP). Another
scenario is when EL based LSP is stitched with another LSP which can
be EL based or non-EL based.
This document extends the MPLS LSP Ping and Traceroute mechanisms to
restore the ability of exercising specific paths of ECMP over LSP
which make use of Entropy Label. This document updates RFC4379,
RFC6424 and RFC6790.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-mpls-entropy-lsp-ping/
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-mpls-entropy-lsp-ping-00
Please note that it may take a couple of minutes from the time of submission
until the htmlized version and diff are available at tools.ietf.org.
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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