mLDP Extensions for Multi-Topology Routing

The information below is for an old version of the document
Document Type Expired Internet-Draft (individual)
Authors IJsbrand Wijnands  , Syed Raza  , Zhaohui Zhang  , Arkadiy Gulko 
Last updated 2018-09-06 (latest revision 2018-03-05)
Replaces draft-iwijnand-mpls-mldp-multi-topology
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


Multi-Topology Routing (MTR) is a technology to enable service differentiation within an IP network. Flexible Algorithm (FA) is another mechanism of creating a sub-topology within a topology using defined topology constraints and computation algorithm. In order to deploy mLDP in a network that supports MTR and/or FA, mLDP is required to become topology and FA aware. This document specifies extensions to mLDP to support MTR with FA such that when building a Multi-Point LSPs it can follow a particular topology and algorithm.


IJsbrand Wijnands (
Syed Raza (
Zhaohui Zhang (
Arkadiy Gulko (

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