SR For SDWAN: VPN with Underlay SLA
draft-dukes-spring-sr-for-sdwan-00

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Last updated 2018-06-05
Replaces draft-dukes-sr-for-sdwan
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Network Working Group                                      D. Dukes, Ed.
Internet-Draft                                               C. Filsfils
Intended status: Standards Track                           Cisco Systems
Expires: December 7, 2018                                       G. Dawra
                                                                LinkedIn
                                                                   X. Xu
                                                                 Alibaba
                                                                D. Voyer
                                                             Bell Canada
                                                            P. Camarillo
                                                                 F. Clad
                                                           Cisco Systems
                                                              S. Salsano
                                               Univ. of Rome Tor Vergata
                                                            June 5, 2018

                  SR For SDWAN: VPN with Underlay SLA
                   draft-dukes-spring-sr-for-sdwan-00

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.

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   This Internet-Draft will expire on December 7, 2018.

Dukes, et al.           Expires December 7, 2018                [Page 1]
Internet-Draft     SR For SDWAN: VPN with Underlay SLA         June 2018

Copyright Notice

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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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