SR For SDWAN: VPN with Underlay SLA
draft-dukes-spring-sr-for-sdwan-02
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Network Working Group D. Dukes, Ed.
Internet-Draft C. Filsfils
Intended status: Standards Track Cisco Systems
Expires: December 12, 2019 G. Dawra
LinkedIn
X. Xu
Alibaba
D. Voyer
Bell Canada
P. Camarillo
F. Clad
Cisco Systems
S. Salsano
Univ. of Rome Tor Vergata
June 10, 2019
SR For SDWAN: VPN with Underlay SLA
draft-dukes-spring-sr-for-sdwan-02
Abstract
This document describes how SR enables underlay Service Level
Agreements (SLA) to a VPN with scale and security while ensuring
service opacity. This solution applies to Over-The-Top VPN (OTT VPN)
and Software-Defined WAN (SDWAN).
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."
This Internet-Draft will expire on December 12, 2019.
Dukes, et al. Expires December 12, 2019 [Page 1]
Internet-Draft SR For SDWAN: VPN with Underlay SLA June 2019
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
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Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
2. Requirements Notation . . . . . . . . . . . . . . . . . . . . 3
3. Single Provider . . . . . . . . . . . . . . . . . . . . . . . 3
3.1. Directly Connected CE to PE . . . . . . . . . . . . . . . 3
3.2. Best-effort Underlay Transport . . . . . . . . . . . . . 5
3.3. SR for Underlay SLA Differentiation . . . . . . . . . . . 6
3.4. Accounting . . . . . . . . . . . . . . . . . . . . . . . 8
3.5. Security . . . . . . . . . . . . . . . . . . . . . . . . 8
3.6. Remotely Connected (to PE) . . . . . . . . . . . . . . . 8
4. Multiple Providers . . . . . . . . . . . . . . . . . . . . . 8
5. Control Plane . . . . . . . . . . . . . . . . . . . . . . . . 9
6. Benefits . . . . . . . . . . . . . . . . . . . . . . . . . . 11
6.1. Scale . . . . . . . . . . . . . . . . . . . . . . . . . . 11
6.2. Privacy . . . . . . . . . . . . . . . . . . . . . . . . . 12
6.3. Flexible Billing . . . . . . . . . . . . . . . . . . . . 12
6.4. Security . . . . . . . . . . . . . . . . . . . . . . . . 12
7. Appendix . . . . . . . . . . . . . . . . . . . . . . . . . . 12
7.1. Single Provider Example Using End.BM With an MPLS Core . 12
7.1.1. Accounting . . . . . . . . . . . . . . . . . . . . . 14
7.1.2. Security . . . . . . . . . . . . . . . . . . . . . . 14
7.2. Single Provider Example Using MPLS From CE to PE for BSID 14
7.3. Single Provider Example Using SRMPLS Over UDP For CE to
PE Not Directly Connected Over Internet . . . . . . . . . 14
7.3.1. Accounting . . . . . . . . . . . . . . . . . . . . . 15
7.3.2. Security . . . . . . . . . . . . . . . . . . . . . . 15
8. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 15
9. Security Considerations . . . . . . . . . . . . . . . . . . . 15
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