A New Internet-Draft is available from the on-line Internet-Drafts directories.
Title : Routing Requirements in Support of R-Bridges
Author(s) : E. Gray
Filename : draft-gray-rbridge-routing-reqs-00.txt
Pages : 8
Date : 2005-10-18
RBridges provide the ability to have an entire campus, with multiple
physical links, look to IP like a single subnet. The design allows
for zero configuration of switches within a campus, optimal pair-wise
routing, safe forwarding even during periods of temporary loops, and
the ability to cut down on ARP/ND traffic. The design supports VLANs,
allows forwarding tables to be based on RBridge destinations (rather
than endnode destinations, allowing internal forwarding tables to be
smaller than in conventional bridge systems) and re-uses existing
routing protocols (for - at least - distribution of reachability of
destinations and shortest path computation within a campus).
In order to accomplish this, the design may impose requirements for
extensions to existing routing protocols necessary to accomplish the
distribution and computation processes, as well as specific limits on
interactions between bridge, R-Bridge and Router instances.
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