A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the BGP Enabled ServiceS of the IETF.
Title : AC-Influenced Designated Forwarder Election for EVPN
Authors : Jorge Rabadan
Kiran Nagaraj
Senthil Sathappan
Vinod Prabhu
Wim Henderickx
Autumn Liu
Wen Lin
Filename : draft-ietf-bess-evpn-ac-df-00.txt
Pages : 10
Date : 2016-10-11
Abstract:
The Designated Forwarder (DF) in EVPN networks is the PE responsible
for sending multicast, broadcast and unknown unicast traffic to a
multi-homed CE, on a given Ethernet Tag on a particular Ethernet
Segment (ES). The DF is selected based on the list of PEs that
advertise the Ethernet Segment Identifier (ESI) to the EVPN network.
While PE node or link failures trigger the DF re-election for a given
<ESI, EVI>, individual Attachment Circuit (AC) or MAC-VRF failures do
not trigger such DF re-election and the traffic may therefore be
permanently impacted, even though there is an alternative path. This
document improves the DF election algorithm so that the AC status can
influence the result of the election and this type of "logical"
failures can be protected too.
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-ietf-bess-evpn-ac-df/
There's also a htmlized version available at:
https://tools.ietf.org/html/draft-ietf-bess-evpn-ac-df-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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