< draft-chen-pce-protection-applicability-17.txt   draft-chen-pce-protection-applicability-18.txt >
PCE Working Group H. Chen PCE Working Group H. Chen
Internet-Draft Futurewei Internet-Draft Futurewei
Intended status: Informational 24 October 2021 Intended status: Informational 18 April 2022
Expires: 27 April 2022 Expires: 20 October 2022
The Applicability of the PCE to Computing Protection and Recovery Paths The Applicability of the PCE to Computing Protection and Recovery Paths
for Single Domain and Multi-Domain Networks. for Single Domain and Multi-Domain Networks.
draft-chen-pce-protection-applicability-17 draft-chen-pce-protection-applicability-18
Abstract Abstract
The Path Computation Element (PCE) provides path computation The Path Computation Element (PCE) provides path computation
functions in support of traffic engineering in Multiprotocol Label functions in support of traffic engineering in Multiprotocol Label
Switching (MPLS) and Generalized MPLS (GMPLS) networks. Switching (MPLS) and Generalized MPLS (GMPLS) networks.
A link or node failure can significantly impact network services in A link or node failure can significantly impact network services in
large-scale networks. Therefore it is important to ensure the large-scale networks. Therefore it is important to ensure the
survivability of large scale networks which consist of various survivability of large scale networks which consist of various
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Table of Contents Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1. Domains . . . . . . . . . . . . . . . . . . . . . . . . . 3 1.1. Domains . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1.1. Inter-domain LSPs . . . . . . . . . . . . . . . . . . 4 1.1.1. Inter-domain LSPs . . . . . . . . . . . . . . . . . . 4
1.2. Recovery . . . . . . . . . . . . . . . . . . . . . . . . 4 1.2. Recovery . . . . . . . . . . . . . . . . . . . . . . . . 4
1.3. Requirements Language . . . . . . . . . . . . . . . . . . 4 1.3. Requirements Language . . . . . . . . . . . . . . . . . . 4
2. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 5 2. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 5
3. Path Computation Element Architecture Considerations . . . . 6 3. Path Computation Element Architecture Considerations . . . . 6
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