Routing Extensions for Discovery of Role-based MPLS Label Switching Router (MPLS LSR) Traffic Engineering (TE) Mesh Membership

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Last updated 2016-03-02 (latest revision 2015-08-30)
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A Traffic Engineering (TE) mesh-group is defined as a group of Label Switching Routers (LSRs) that are connected by a full mesh of TE LSPs. Routing protocol (OSPF and IS-IS) extensions facilitate discovery of Multiprotocol Label Switching (MPLS) LSR TE mesh membership and automate the creation of a full mesh of TE Label Switched Paths (LSPs). This document introduces a role-based TE mesh-group that applies to the scenarios where full mesh TE LSPs are not necessary and TE LSPs setup depends on the roles of LSRs in a TE mesh-group. Interior Gateway Protocol (IGP) routing extensions for automatic discovery of role-based TE mesh membership are defined accordingly.


Zhenbin Li (
Mach Chen (
Greg Mirsky (

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