A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Link State Routing WG of the IETF.
Title : Signaling Entropy Label Capability and Entropy
Readable Label Depth Using IS-IS
Authors : Xiaohu Xu
Sriganesh Kini
Siva Sivabalan
Clarence Filsfils
Stephane Litkowski
Filename : draft-ietf-isis-mpls-elc-04.txt
Pages : 6
Date : 2018-07-24
Abstract:
Multiprotocol Label Switching (MPLS) has defined a mechanism to load
balance traffic flows using Entropy Labels (EL). An ingress Label
Switching Router (LSR) cannot insert ELs for packets going into a
given tunnel unless an egress LSR has indicated via signaling that it
has the capability of processing ELs, referred to as Entropy Label
Capability (ELC), on that tunnel. In addition, it would be useful
for ingress LSRs to know each LSR's capability of reading the maximum
label stack depth and performing EL-based load-balancing, referred to
as Entropy Readable Label Depth (ERLD), in the cases where stacked
LSPs are used for whatever reasons. This document defines mechanisms
to signal these two capabilities using IS-IS. These mechanisms are
useful when the label advertisement is also done via IS-IS.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-isis-mpls-elc/
There are also htmlized versions available at:
https://tools.ietf.org/html/draft-ietf-isis-mpls-elc-04
https://datatracker.ietf.org/doc/html/draft-ietf-isis-mpls-elc-04
A diff from the previous version is available at:
https://www.ietf.org/rfcdiff?url2=draft-ietf-isis-mpls-elc-04
Please note that it may take a couple of minutes from the time of submission
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