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Title : Temporal and hitless path segment monitoring
Author(s) : Y. Koike
Filename : draft-koike-mpls-tp-temporal-hitless-psm-01.txt
Pages : 10
Date : 2010-7-12
The MPLS transport profile (MPLS-TP) is now being standardized to
enable carrier-grade packet transport and complement converged packet
network deployments. One of the most attractive features in MPLS-TP
is OAM functions, which enable network operators or service providers
to provide various maintenance characteristics, such as prompt fault
location, substantial survivability, performance monitoring, and
preliminary or in-service measurements, inherent in circuit-based
transport networks.
One of the important characteristics which are common in transport
network operation is the 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 for the segment monitoring(SPME) has some fatal issues. This
document elaborates on the problem statement on the path segment
monitoring function. Moreover, this document also requests to add
network objectives to solve or improve the issues and proposes to
reconsider the new improved method of the 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.
A URL for this Internet-Draft is:
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