[mpls] I-D Action: draft-ietf-mpls-tp-temporal-hitless-psm-04.txt
internet-drafts@ietf.org Mon, 21 October 2013 16:27 UTC
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Date: Mon, 21 Oct 2013 09:27:13 -0700
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Subject: [mpls] I-D Action: draft-ietf-mpls-tp-temporal-hitless-psm-04.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 Working Group of the IETF. Title : Temporal and hitless path segment monitoring Author(s) : Alessandro D'Alessandro Manuel Paul Satoshi Ueno Yoshinori Koike Filename : draft-ietf-mpls-tp-temporal-hitless-psm-04.txt Pages : 17 Date : 2013-10-21 Abstract: The MPLS transport profile (MPLS-TP) is being standardized to enable carrier-grade packet transport and complement converged packet network deployments. Among the most attractive features of MPLS-TP are OAM functions, which enable network operators or service providers to provide various maintenance characteristics, such as fault location, survivability, performance monitoring, and preliminary or in-service measurements. One of the most important mechanisms which is common for transport network operation is fault location. 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 effective only between end points. However, the current approach defined for MPLS-TP for the segment monitoring (SPME) has some fatal drawbacks. This document elaborates on the problem statement for the Sub-path Maintenance Elements (SPMEs) which provides monitoring of a portion of a set of transport paths (LSPs or MS-PWs). Based on the problems, this document specifies new requirements to consider a new improved mechanism of hitless transport path segment monitoring. This document is a product of a joint Internet Engineering Task Force (IETF) / International Telecommunications Union Telecommunications Standardization Sector (ITU-T) effort to include an MPLS Transport Profile within the IETF MPLS and PWE3 architectures to support the capabilities and functionalities of a packet transport network. 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: http://tools.ietf.org/html/draft-ietf-mpls-tp-temporal-hitless-psm-04 A diff from the previous version is available at: http://www.ietf.org/rfcdiff?url2=draft-ietf-mpls-tp-temporal-hitless-psm-04 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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