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 : Transparent Interconnection of Lots of Links (TRILL): Problem and Applicability Statement
Author(s) : J. Touch, R. Perlman
Filename : draft-ietf-trill-prob-05.txt
Pages : 17
Date : 2008-09-29
Current Ethernet (802.1) link layers use spanning tree protocols that
have a number of challenges. These protocols need to strictly avoid
loops, even temporary ones, during route propagation, because of the
lack of header loop detection support. Routing tends not to take full
advantage of alternate paths, or even non-overlapping pairwise paths
(in the case of spanning trees). This document addresses these
concerns and suggests that they can be addressed by applying modern
network layer routing protocols at the link layer. This document
assumes that solutions would not address issues of scalability beyond
that of existing bridged (802.1) links, but that a solution would be
backward compatible with 802.1, including hubs, bridges, and their
existing plug-and-play capabilities.
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