Illustrations for SRv6 Network Programming
draft-filsfils-spring-srv6-net-pgm-illustration-02
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SPRING C. Filsfils
Internet-Draft P. Camarillo, Ed.
Intended status: Informational Cisco Systems, Inc.
Expires: December 26, 2020 Z. Li
Huawei Technologies
S. Matsushima
SoftBank
B. Decraene
Orange
D. Steinberg
Lapishills Consulting Limited
D. Lebrun
Google
R. Raszuk
Bloomberg LP
J. Leddy
Individual Contributor
June 24, 2020
Illustrations for SRv6 Network Programming
draft-filsfils-spring-srv6-net-pgm-illustration-02
Abstract
This document illustrates how SRv6 Network Programming
[I-D.ietf-spring-srv6-network-programming] can be used to create
interoperable and protected overlays with underlay optimization and
service programming.
Requirements Language
The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
"SHOULD", "SHOULD NOT", "RECOMMENDED", "NOT RECOMMENDED", "MAY", and
"OPTIONAL" in this document are to be interpreted as described in BCP
14 [RFC2119] [RFC8174] when, and only when, they appear in all
capitals, as shown here.
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/.
Filsfils, et al. Expires December 26, 2020 [Page 1]
Internet-Draft Illustrations for SRv6 Network Programming June 2020
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."
This Internet-Draft will expire on December 26, 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
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 . . . . . . . . . . . . . . . . . . . . . . . . 3
2. Illustration . . . . . . . . . . . . . . . . . . . . . . . . 3
2.1. Simplified SID allocation . . . . . . . . . . . . . . . . 3
2.2. Reference diagram . . . . . . . . . . . . . . . . . . . . 4
2.3. Basic security . . . . . . . . . . . . . . . . . . . . . 5
2.4. SR-L3VPN . . . . . . . . . . . . . . . . . . . . . . . . 5
2.5. SR-Ethernet-VPWS . . . . . . . . . . . . . . . . . . . . 6
2.6. SR-EVPN-FXC . . . . . . . . . . . . . . . . . . . . . . . 7
2.7. SR-EVPN . . . . . . . . . . . . . . . . . . . . . . . . . 7
2.7.1. EVPN Bridging . . . . . . . . . . . . . . . . . . . . 7
2.7.2. EVPN Multi-homing with ESI filtering . . . . . . . . 9
2.7.3. EVPN Layer-3 . . . . . . . . . . . . . . . . . . . . 11
2.7.4. EVPN Integrated Routing Bridging (IRB) . . . . . . . 11
2.8. SR TE for Underlay SLA . . . . . . . . . . . . . . . . . 12
2.8.1. SR policy from the Ingress PE . . . . . . . . . . . . 12
2.8.2. SR policy at a midpoint . . . . . . . . . . . . . . . 13
2.9. End-to-End policy with intermediate BSID . . . . . . . . 14
2.10. TI-LFA . . . . . . . . . . . . . . . . . . . . . . . . . 15
2.11. SR TE for Service programming . . . . . . . . . . . . . . 16
3. Benefits . . . . . . . . . . . . . . . . . . . . . . . . . . 18
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