A New Internet-Draft is available from the on-line Internet-Drafts
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Title : A method to monitor MPLS label mappings
Author(s) : G. Cauchie
Filename : draft-cauchie-opsawg-monitoring-mpls-label-mapping-00.txt
Pages : 18
Date : 2010-10-18
Because one MPLS label only identifies one single flow on a link
between two MPLS routers, information related to one MPLS label is
exchanged only between (physically and logically) neighbour routers.
In other words, MPLS label have a link-local significance on which
two neighbour routers have previously agreed on. It is therefore not
a trivial task for a network operator to know where a flow is going
as it implies to retreive the MPLS labels mappings on each hops in
order to get a complete view of end-to-end LSP paths. This taks is
even harder when it comes to get the MPLS label mappings over time in
a purpose of monitoring and/or troubleshooting network services.
This document thus defines a new method to monitor MPLS label
mappings that collects and stores MPLS labels mapping information so
as to offer to one IP/MPLS network operator a reliable and clear view
of its network LSPs end-to-end establishment over time while
minimising the impact on network convergence and router CPU.
A URL for this Internet-Draft is:
http://www.ietf.org/internet-drafts/draft-cauchie-opsawg-monitoring-mpls-label-mapping-00.txt
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