Extensions to RSVP-TE for LSP Egress Local Protection
draft-ietf-teas-rsvp-egress-protection-14
| The information below is for an old version of the document | |||
|---|---|---|---|
| Document | Type | Active Internet-Draft (teas WG) | |
| Authors | Huaimo Chen , Autumn Liu , Tarek Saad , Fengman Xu , Lu Huang | ||
| Last updated | 2018-03-02 | ||
| Replaces | draft-ietf-mpls-rsvp-egress-protection | ||
| Stream | Internent Engineering Task Force (IETF) | ||
| Formats | pdf htmlized (tools) htmlized bibtex | ||
| Reviews | |||
| Stream | WG state | Submitted to IESG for Publication | |
| Document shepherd | Vishnu Beeram | ||
| Shepherd write-up | Show (last changed 2017-11-03) | ||
| IESG | IESG state | IESG Evaluation | |
| Consensus Boilerplate | Yes | ||
| Telechat date |
Needs 6 more YES or NO OBJECTION positions to pass. |
||
| Responsible AD | Deborah Brungard | ||
| Send notices to | Vishnu Beeram <vishnupavan@gmail.com> | ||
| IANA | IANA review state | Version Changed - Review Needed | |
Internet Engineering Task Force H. Chen
Internet-Draft Huawei Technologies
Intended status: Standards Track A. Liu
Expires: September 3, 2018 Ciena
T. Saad
Cisco Systems
F. Xu
Verizon
L. Huang
China Mobile
March 2, 2018
Extensions to RSVP-TE for LSP Egress Local Protection
draft-ietf-teas-rsvp-egress-protection-14.txt
Abstract
This document describes extensions to Resource Reservation Protocol -
Traffic Engineering (RSVP-TE) for locally protecting the egress
node(s) of a Point-to-Point (P2P) or Point-to-Multipoint (P2MP)
Traffic Engineered (TE) Label Switched Path (LSP).
Status of this Memo
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provisions of BCP 78 and BCP 79.
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This Internet-Draft will expire on September 3, 2018.
Copyright Notice
Copyright (c) 2018 IETF Trust and the persons identified as the
document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of
Chen, et al. Expires September 3, 2018 [Page 1]
Internet-Draft RSVP LSP Egress Protection March 2018
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Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.1. Egress Local Protection . . . . . . . . . . . . . . . . . 3
2. Conventions Used in This Document . . . . . . . . . . . . . . 4
3. Terminologies . . . . . . . . . . . . . . . . . . . . . . . . 4
4. Protocol Extensions . . . . . . . . . . . . . . . . . . . . . 5
4.1. Extensions to SERO . . . . . . . . . . . . . . . . . . . . 5
4.1.1. Primary Egress Subobject . . . . . . . . . . . . . . . 7
4.1.2. P2P LSP ID Subobject . . . . . . . . . . . . . . . . . 8
5. Egress Protection Behaviors . . . . . . . . . . . . . . . . . 9
5.1. Ingress Behavior . . . . . . . . . . . . . . . . . . . . . 9
5.2. Primary Egress Behavior . . . . . . . . . . . . . . . . . 10
5.3. Backup Egress Behavior . . . . . . . . . . . . . . . . . . 10
5.4. Transit Node and PLR Behavior . . . . . . . . . . . . . . 10
5.4.1. Signaling for One-to-One Protection . . . . . . . . . 11
5.4.2. Signaling for Facility Protection . . . . . . . . . . 12
5.4.3. Signaling for S2L Sub LSP Protection . . . . . . . . . 13
5.4.4. PLR Procedures during Local Repair . . . . . . . . . . 13
6. Considering Application Traffic . . . . . . . . . . . . . . . 14
6.1. A Typical Application . . . . . . . . . . . . . . . . . . 14
6.2. PLR Procedure for Applications . . . . . . . . . . . . . . 16
6.3. Egress Procedures for Applications . . . . . . . . . . . . 16
7. Security Considerations . . . . . . . . . . . . . . . . . . . 16
8. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 17
9. Co-authors and Contributors . . . . . . . . . . . . . . . . . 17
10. Acknowledgement . . . . . . . . . . . . . . . . . . . . . . . 18
11. References . . . . . . . . . . . . . . . . . . . . . . . . . . 19
11.1. Normative References . . . . . . . . . . . . . . . . . . . 19
11.2. Informative References . . . . . . . . . . . . . . . . . . 19
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . . 20
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