Deployments With Insertion of IPv6 Segment Routing Headers
draft-voyer-6man-extension-header-insertion-10
Network Working Group D. Voyer, Ed.
Internet-Draft Bell Canada
Intended status: Informational C. Filsfils
Expires: May 24, 2021 D. Dukes, Ed.
Cisco Systems, Inc.
S. Matsushima
Softbank
J. Leddy
Individual Contributor
Z. Li
Huawei
J. Guichard
Futurewei
November 20, 2020
Deployments With Insertion of IPv6 Segment Routing Headers
draft-voyer-6man-extension-header-insertion-10
Abstract
SRv6 is deployed in multiple provider networks.
This document describes the usage of SRH insertion and deletion
within the SR domain and how security and end-to-end integrity is
guaranteed.
Requirements Language
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
document are to be interpreted as described in RFC 2119 [RFC2119].
Status of This Memo
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provisions of BCP 78 and BCP 79.
Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute
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time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress."
Voyer, et al. Expires May 24, 2021 [Page 1]
Internet-Draft SRH Insertion November 2020
This Internet-Draft will expire on May 24, 2021.
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Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 2
2. Deployment Report . . . . . . . . . . . . . . . . . . . . . . 3
2.1. Deployments . . . . . . . . . . . . . . . . . . . . . . . 3
2.2. Vendor and Open-Source Support . . . . . . . . . . . . . 3
3. Deployment Experience With SRH Header Operarion . . . . . . . 4
3.1. The SR Domain . . . . . . . . . . . . . . . . . . . . . . 5
4. Baseline Usecase . . . . . . . . . . . . . . . . . . . . . . 5
5. Choosing an SRv6 SID Block . . . . . . . . . . . . . . . . . 6
6. Securing the SR Domain . . . . . . . . . . . . . . . . . . . 7
7. MTU within the SR domain . . . . . . . . . . . . . . . . . . 7
8. VPN with SRv6 . . . . . . . . . . . . . . . . . . . . . . . . 7
9. TILFA with SRv6 . . . . . . . . . . . . . . . . . . . . . . . 8
9.1. SRH Insertion Process . . . . . . . . . . . . . . . . . . 8
9.2. The Penultimate SID of the Inserted SRH is of PSP flavor 9
9.3. MTU-delta . . . . . . . . . . . . . . . . . . . . . . . . 9
10. Security Considerations . . . . . . . . . . . . . . . . . . . 10
11. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 10
12. Contributors . . . . . . . . . . . . . . . . . . . . . . . . 10
13. References . . . . . . . . . . . . . . . . . . . . . . . . . 10
13.1. Normative References . . . . . . . . . . . . . . . . . . 10
13.2. Informative References . . . . . . . . . . . . . . . . . 11
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 11
1. Introduction
[I-D.matsushima-spring-srv6-deployment-status] records multiple SRv6
deployments in multiple networks
Voyer, et al. Expires May 24, 2021 [Page 2]
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