A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Fast failure detection using peer learning in VRRP with BFD
Authors : Nitish Gupta
Aditya Dogra
Colin Docherty
Filename : draft-nitish-vrrp-bfd-00.txt
Pages : 16
Date : 2015-06-12
Abstract:
This draft presents an enhanced failure detection mechanism to detect
the failure of VRRP Master router on the LAN using a peer learning
mode. Typically the VRRP protocol is able to perform the transparent
fail-over detection within a time period of 3 seconds with default
fail-over timers. Real-time protocols (voice/video/real-time
transactional) require a maximum network disruption in the order of
150ms for traffic on the network. A failure detection and fail-over
time of 150ms on conventionally configured VRRP protocol is extremely
aggressive and may impact the reliability and performance of the
network.
A more efficient mechanism for real-time failure detection can be
enabled in VRRP protocol by building a peer table, using a new VRRP
Advert packet type. This will help in forming a mesh of BFD
sessions. Once the BFD sessions are created, VRRP can receive faster
notification of failures, without the overhead of increased VRRP
protocol Advert messages.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-nitish-vrrp-bfd/
There's also a htmlized version available at:
https://tools.ietf.org/html/draft-nitish-vrrp-bfd-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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