[mpls] I-D Action: draft-ietf-mpls-tp-temporal-hitless-psm-11.txt

internet-drafts@ietf.org Wed, 30 November 2016 08:24 UTC

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Subject: [mpls] I-D Action: draft-ietf-mpls-tp-temporal-hitless-psm-11.txt
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A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Multiprotocol Label Switching of the IETF.

        Title           : Hitless path segment monitoring
        Authors         : Alessandro D'Alessandro
                          Loa Andersson
                          Satoshi Ueno
                          Kaoru Arai
                          Yoshinori Koike
	Filename        : draft-ietf-mpls-tp-temporal-hitless-psm-11.txt
	Pages           : 16
	Date            : 2016-07-29

   One of the most important OAM capabilities for transport network
   operation is fault localisation.  An in-service, on-demand segment
   monitoring function of a transport path is indispensable,
   particularly when the service monitoring function is activated only
   between end points.  However, the current segment monitoring approach
   defined for MPLS (including the transport profile (MPLS-TP)) in RFC
   6371 [RFC6371] has drawbacks.  This document provides an analysis of
   the existing MPLS-TP OAM mechanisms for the path segment monitoring
   and provides requirements to guide the development of new OAM tools
   to support a Hitless Path Segment Monitoring (HPSM).

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