2017•Unpublished venueRequires access

Applicability of a Stateful Path Computation Element (PCE)

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Abstract

A stateful Path Computation Element (PCE) maintains information about Label Switched Path (LSP) characteristics and resource usage within a network in order to provide traffic-engineering calculations for its associated Path Computation Clients (PCCs). This document describes general considerations for a stateful PCE deployment and examines its applicability and benefits, as well as its challenges and limitations, through a number of use cases. PCE Communication Protocol (PCEP) extensions required for stateful PCE usage are covered in separate documents.

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Key concepts: Stateful firewall, Path (computing), Computer science, Computation, Algorithm, Programming language, Computer network, Network packet