A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : RBridge: Pseudo-Nickname
Author(s) : Hongjun Zhai
Tissa Senevirathne
Radia Perlman
Donald Eastlake 3rd
Mingui Zhang
Fangwei Hu
Filename : draft-hu-trill-pseudonode-nickname-05.txt
Pages : 20
Date : 2013-06-28
Abstract:
RBridges provide provide end-station services to their attached end
stations. To avoid potential frame duplication and loops, the rule
that only one edge RBridge is allowed to be the frame forwarder of a
VLAN on a shared LAN segment is employed by base TRILL protocol, even
though there are multiple RBridges attached to that segment.
However, in some application scenarios, for example an end station is
multi-homed to multiple RBridges, there is a need to improve the
resiliency and increase the available network bandwidth of the
connection. This means all those RBriges attached to the end station
can act as the frame forwarders of a specific VLAN. This kind of
active-active connection violates the above rule. The violation may
bring some additional problems, such as the flip-flopping of the
nickname-MAC correspondences for such end stations in remote
RBridges' forwarding tables, frame dropping because of failure of
Reverse Path Forwarding Check(RPF Check) on RBridges, etc. The RPF
Check problem has been addressed in [CMT]. This document proposes
the concept of Virtual RBridge, along with the pseudo-nickname
configuration for this Virtual RBridge, to address the above problems
in accompany with [CMT].
The IETF datatracker status page for this draft is:
https://datatracker.ietf.org/doc/draft-hu-trill-pseudonode-nickname
There's also a htmlized version available at:
http://tools.ietf.org/html/draft-hu-trill-pseudonode-nickname-05
A diff from the previous version is available at:
http://www.ietf.org/rfcdiff?url2=draft-hu-trill-pseudonode-nickname-05
Internet-Drafts are also available by anonymous FTP at:
ftp://ftp.ietf.org/internet-drafts/
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