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 : Allocating and Retiring Special Purpose MPLS Labels
Authors : Kireeti Kompella
Loa Andersson
Adrian Farrel
Filename : draft-ietf-mpls-special-purpose-labels-06.txt
Pages : 13
Date : 2014-03-18
Abstract:
Some MPLS labels have been allocated for specific purposes. A block
of labels (0-15) has been set aside to this end, and are commonly
called "reserved labels". They will be called "special purpose
labels" in this document.
As there are only 16 of these special purpose labels, caution is
needed in the allocation of new special purpose labels, yet at the
same time allow forward progress when one is called for.
This memo defines new procedures to follow in the allocation and
retirement of special purpose labels, as well as a method to extend
the special purpose label space. Finally, this memo renames the IANA
registry for these labels to "Special Purpose MPLS Label Values", and
creates a new one called the "Extended Special Purpose MPLS Label
Values" registry.
This document updates a number of previous RFCs that used the term
"reserved label". Specifically, this document updates RFC 3032, RFC
3038, RFC 3209, RFC 3811, RFC 4182, RFC 4928, RFC 5331, RFC 5586, RFC
5921, RFC 5960, RFC 6391, RFC 6478, and RFC 6790.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-mpls-special-purpose-labels/
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-ietf-mpls-special-purpose-labels-06
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-ietf-mpls-special-purpose-labels-06
Please note that it may take a couple of minutes from the time of submission
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