Multiple Topology TRILL

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Last updated 2013-01-17 (latest revision 2012-07-16)
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The IETF TRILL (TRansparent Interconnection of Lots of Links) protocol is a solution for least cost transparent frame routing in multi-hop networks with arbitrary topologies and link technologies, using IS-IS (Intermediate System to Intermediate System) link-state routing and encapsulation with a hop count. IS-IS supports multiple topology routing. This document specifies a TRILL data plane encoding and procedures to make use of such routing.


Donald Eastlake (
Mingui Zhang (
Radia Perlman (
Vishwas Manral (
Ayan Banerjee (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)