Deployments With Insertion of IPv6 Segment Routing Headers
draft-voyer-6man-extension-header-insertion-09
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Network Working Group D. Voyer, Ed.
Internet-Draft Bell Canada
Intended status: Informational C. Filsfils
Expires: November 20, 2020 D. Dukes, Ed.
Cisco Systems, Inc.
S. Matsushima
Softbank
J. Leddy
Individual Contributor
Z. Li
Huawei
J. Guichard
Futurewei
May 19, 2020
Deployments With Insertion of IPv6 Segment Routing Headers
draft-voyer-6man-extension-header-insertion-09
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
This Internet-Draft is submitted in full conformance with the
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
working documents as Internet-Drafts. The list of current Internet-
Drafts is at https://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any
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 November 20, 2020 [Page 1]
Internet-Draft SRH Insertion May 2020
This Internet-Draft will expire on November 20, 2020.
Copyright Notice
Copyright (c) 2020 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
(https://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents
carefully, as they describe your rights and restrictions with respect
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include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License.
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 November 20, 2020 [Page 2]
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