2011•Unpublished venueRequires access

PCE-based Computation Procedure To Compute Shortest Constrained P2MP Inter-domain Traffic Engineering Label Switched Paths

Daniel King, Quintin Zhao, Ramon Casellas, Siva Sivabalan, Tarek Saad, Zafar Ali

Abstract

The ability to compute paths for constrained point-to-multipoint (P2MP) Traffic Engineering Label Switched Paths (TE LSPs) across multiple domains has been identified as a key requirement for the deployment of P2MP services in MPLS and GMPLS networks. The Path Computation Element (PCE) has been recognized as an appropriate technology for the determination of inter-domain paths of P2MP TE LSPs. This document describes the procedures and extensions to the PCE communication Protocol (PCEP) to handle requests and responses for the computation of inter-domain paths for P2MP TE LSPs.

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Key concepts: Multiprotocol Label Switching, Label Distribution Protocol, Label switching, Computer science, Computer network, Computation, Traffic engineering, Domain (mathematical analysis)