A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : ISIS Link Overload
Authors : Shraddha Hegde
Pushpasis Sarkar
Hannes Gredler
Filename : draft-hegde-isis-link-overload-00.txt
Pages : 6
Date : 2015-03-09
Abstract:
Many ISIS deployments run on overlay networks provisioned by means of
pseudo-wires or L2-circuits. when the devices in the underlying
network go for maintenance, it is useful to divert the traffic away
from the specific node(s), to some alternate paths, before the
maintenance is actually scheduled. Since the nodes in the underlying
network are not visible to ISIS, existing Avoidance of traffic
blackhole mechanism described in [RFC3277] cannot be used. It is
useful for routers in IS-IS routing domain to be able to advertise a
link being in overload state to indicate impending maintenance
activity in the underlying network devices.
This document describes the protocol extensions to disseminate link
overload information in IS-IS protocol.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-hegde-isis-link-overload/
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-hegde-isis-link-overload-00
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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