A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Issues and Approaches to Scaling RBridge Deployments
Author(s) : E. Gray
Filename : draft-gray-rbridge-scaling-01.txt
Pages : 10
Date : 2007-11-19
RBridges are link layer (L2) devices that use routing protocols
as a control plane. They combine several of the benefits of the
link layer with network layer routing benefits. RBridges may use
existing link state routing (without requiring configuration) to
improve RBridge to RBridge aggregate throughput. RBridges also
Gray
Expires May, 2008
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Internet-Draft
Scaling RBridge Deployments
November 2007
provide support for IP multicast and IP address resolution
optimizations. They are intended to be applicable to similar L2
network sizes as conventional bridges and are intended to be
backward compatible with those bridges as both ingress/egress
and transit. They also support VLANs (although this generally
requires configuration) and otherwise attempt to retain as much
'plug and play' as is already available in existing bridges.
There has been a lot of discussion within the TRILL working
group about the potential for scaling issues when using IS-IS in
combination with (possibly as many as 4K) VLANs. This document
is intended to provide information on potential scaling issues
and the possible solutions that may be applied in deploying
RBridges.
Gray
Expires May, 2008
[page 2]
Internet-Draft
Scaling RBridge Deployments
November 2007
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