A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : The Architecture of an RBridge Solution to TRILL
Author(s) : J. Touch, R. Perlman
Filename : draft-touch-trill-rbridge-arch-01.txt
Pages : 34
Date : 2006-3-8
RBridges are link layer (L2) devices that use routing protocols
as a control plane. They combine the link layer ability to allow
hosts to reattach without renumbering with network layer routing
benefits. RBridges use existing link state routing to provide
higher RBridge to RBridge cross-section bandwidth, fast
convergence on reconfiguration, and more robust under link
interruption than an equivalent set of conventional bridges
using existing spanning tree forwarding. They are intended to
apply 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 attempt to retain as
much 'plug and play' as is already available in existing
bridges. This document proposes an RBridge system as a solution
to the TRILL problem. It also defines the RBridge architecture,
defines its terminology, and describes basic components and
desired behavior. One or more separate documents specify the
protocols and mechanisms that satisfy the architecture presented
herein.
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