Deployments With Insertion of IPv6 Segment Routing Headers
draft-voyer-6man-extension-header-insertion-08

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Last updated 2019-11-19
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Network Working Group                                      D. Voyer, Ed.
Internet-Draft                                               Bell Canada
Intended status: Informational                               C. Filsfils
Expires: May 22, 2020                                      D. Dukes, Ed.
                                                     Cisco Systems, Inc.
                                                           S. Matsushima
                                                                Softbank
                                                                J. Leddy
                                                  Individual Contributor
                                                                   Z. Li
                                                                  Huawei
                                                             J. Guichard
                                                               Futurewei
                                                       November 19, 2019

       Deployments With Insertion of IPv6 Segment Routing Headers
             draft-voyer-6man-extension-header-insertion-08

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
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   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
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   material or to cite them other than as "work in progress."

Voyer, et al.             Expires May 22, 2020                  [Page 1]
Internet-Draft                SRH Insertion                November 2019

   This Internet-Draft will expire on May 22, 2020.

Copyright Notice

   Copyright (c) 2019 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
   to this document.  Code Components extracted from this document must
   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 May 22, 2020                  [Page 2]
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