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 : Enhanced path segment monitoring
Authors : Alessandro D'Alessandro
Loa Andersson
Manuel Paul
Satoshi Ueno
Kaoru Arai
Yoshinori Koike
Filename : draft-ietf-mpls-tp-temporal-hitless-psm-09.txt
Pages : 16
Date : 2015-12-18
Abstract:
The MPLS transport profile (MPLS-TP) has been standardized to enable
carrier-grade packet transport and to complement converged packet
network deployments. The most attractive features of MPLS-TP are the
OAM functions. These functions enable maintenance tools that may be
exploited by network operators and service providers for fault
location, survivability, performance monitoring, in-service and out-
of-service measurements.
One of the most important mechanisms that is common for transport
network operation is fault localisation. A segment monitoring
function of a transport path is effective in terms of extension of
the maintenance work and indispensable, particularly when the OAM
function is activated only between end points. However, the current
approach defined for MPLS-TP of segment monitoring has some
drawbacks. This document elaborates on the problem statement for the
Sub-path Maintenance Elements (SPMEs) which provide monitoring of a
segment of a set of transport paths (LSPs or MS-PWs). Based on the
identified problems, this document provides considerations for the
specification of new requirements to consider a new improved
mechanism for hitless transport path segment monitoring to be named
Enhanced Path Segment Monitoring (EPSM).
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-mpls-tp-temporal-hitless-psm/
There's also a htmlized version available at:
https://tools.ietf.org/html/draft-ietf-mpls-tp-temporal-hitless-psm-09
A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-mpls-tp-temporal-hitless-psm-09
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.
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