SRv6 Deployment Consideration
draft-tian-spring-srv6-deployment-consideration-00
|
| Document |
Type |
|
Active Internet-Draft (individual)
|
|
Last updated |
|
2019-11-04
|
|
Stream |
|
(None)
|
|
Intended RFC status |
|
(None)
|
|
Formats |
|
plain text
xml
pdf
htmlized
bibtex
|
| Stream |
Stream state |
|
(No stream defined) |
|
Consensus Boilerplate |
|
Unknown
|
|
RFC Editor Note |
|
(None)
|
| IESG |
IESG state |
|
I-D Exists
|
|
Telechat date |
|
|
|
Responsible AD |
|
(None)
|
|
Send notices to |
|
(None)
|
Network Working Group H. Tian
Internet-Draft F. Zhao
Intended status: Informational CAICT
Expires: May 7, 2020 C. Xie
China Telecom
T. Li
J. Ma
China Unicom
S. Peng
Z. Li
Y. Xiao
Huawei Technologies
November 4, 2019
SRv6 Deployment Consideration
draft-tian-spring-srv6-deployment-consideration-00
Abstract
SRv6 has significant advantages over SR-MPLS and has attracted more
and more attention and interest from network operators and verticals.
Smooth network migration towards SRv6 is a key focal point and this
document provides network migration guidance and recommendations on
solutions in various scenarios. Deployment cases with SRv6 are also
introduced.
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."
Tian, et al. Expires May 7, 2020 [Page 1]
Internet-Draft SRv6 Deployment Consideration November 2019
This Internet-Draft will expire on May 7, 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. Advantages of SRv6 . . . . . . . . . . . . . . . . . . . . . 3
2.1. IP Route Aggregation . . . . . . . . . . . . . . . . . . 3
2.2. End-to-end Service Auto-start . . . . . . . . . . . . . . 4
2.3. On-Demand Upgrade . . . . . . . . . . . . . . . . . . . . 5
3. Incremental Deployment Guidance for SRv6 Migration . . . . . 6
4. Migration Guidance for SRv6/SR-MPLS Co-existence Scenario . . 7
5. Deployment cases . . . . . . . . . . . . . . . . . . . . . . 8
5.1. China Telecom Si'chuan . . . . . . . . . . . . . . . . . 9
5.2. China Unicom . . . . . . . . . . . . . . . . . . . . . . 10
6. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 11
7. Security Considerations . . . . . . . . . . . . . . . . . . . 11
8. Contributors . . . . . . . . . . . . . . . . . . . . . . . . 11
9. References . . . . . . . . . . . . . . . . . . . . . . . . . 11
9.1. Normative References . . . . . . . . . . . . . . . . . . 11
9.2. Informative References . . . . . . . . . . . . . . . . . 12
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 12
1. Introduction
SRv6 is the instantiation of Segment Routing deployed on the IPv6
data plane[RFC8200]. Therefore, in order to support SRv6, the
network must first be enabled for IPv6. Over the past several years,
IPv6 has been actively promoted all over the world, and the
deployments of IPv6 have been ever-increasing which provides the
basis for the deployments of SRv6.
With IPv6 as its data plane, for network migration towards SRv6, both
software and hardware need to be upgraded. Compared with other new
Show full document text