A New Internet-Draft is available from the on-line Internet-Drafts directories.
This draft is a work item of the Transparent Interconnection of Lots of Links Working Group of the IETF.
Title : The Architecture of an RBridge Solution to TRILL
Author(s) : E. Gray, et al.
Filename : draft-ietf-trill-rbridge-arch-04.txt
Pages : 34
Date : 2007-11-19
RBridges are link layer (L2) devices that use a routing protocol
as a control plane. This combines several of the benefits of the
link layer with those of the network layer. For example RBridges
use existing link state routing, without necessarily requiring
configuration, to improve aggregate throughput, for RBridge to
Gray
Expires May, 2008
[page 1]
Internet-Draft
RBridge Architecture
November 2007
RBridge traffic. RBridges also may support IP multicast and IP
address resolution optimizations. They are intended to be
applicable to L2 network sizes similar to those of 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) while
otherwise attempting to retain as much 'plug and play' as is
already available in existing bridges. This document proposes an
architecture for RBridge systems as a solution to the TRILL
problem, defines terminology, and describes basic components and
desired behavior. One (or more) separate documents will specify
protocols and mechanisms that satisfy the architecture presented
herein.
Gray
Expires May, 2008
[page 2]
Internet-Draft
RBridge Architecture
November 2007
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