A YANG Data Model for SD-WAN VPN Service Delivery
draft-sun-opsawg-sdwan-service-model-01

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Last updated 2018-10-22
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Operations and Management Area Working Group                      Q. Sun
Internet-Draft                                                     H. Xu
Intended status: Standards Track                           China Telecom
Expires: April 24, 2019                                            B. Wu
                                                                   Q. Wu
                                                                  Huawei
                                                        October 21, 2018

           A YANG Data Model for SD-WAN VPN Service Delivery
                draft-sun-opsawg-sdwan-service-model-01

Abstract

   This document defines a SD-WAN VPN service model to enable a Service
   Provider to deliver SD-WAN VPN services to its customers by
   provisioning the CE devices on behalf of the customer.  This document
   is based on provider-provisioned CE-based VPNs as described in
   [RFC4110].

   This model provides an abstracted view of the SD-WAN VPN service
   configuration components, and is intended to be instantiated at the
   management system to deliver the overall service.

Status of This Memo

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   provisions of BCP 78 and BCP 79.

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   This Internet-Draft will expire on April 24, 2019.

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   Copyright (c) 2018 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

Sun, et al.              Expires April 24, 2019                 [Page 1]
Internet-Draft          SD-WAN Service YANG Model           October 2018

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   publication of this document.  Please review these documents
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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   4
     1.2.  Definitions . . . . . . . . . . . . . . . . . . . . . . .   4
   2.  High Level overview of SD-WAN VPN . . . . . . . . . . . . . .   5
   3.  Design of the Data Model  . . . . . . . . . . . . . . . . . .   7
     3.1.  SD-WAN VPN  . . . . . . . . . . . . . . . . . . . . . . .   8
       3.1.1.  Security  . . . . . . . . . . . . . . . . . . . . . .   8
       3.1.2.  Policy templates  . . . . . . . . . . . . . . . . . .   8
     3.2.  Site  . . . . . . . . . . . . . . . . . . . . . . . . . .   9
     3.3.  SubVPNs . . . . . . . . . . . . . . . . . . . . . . . . .  10
       3.3.1.  Policies  . . . . . . . . . . . . . . . . . . . . . .  11
         3.3.1.1.  Path selection policies . . . . . . . . . . . . .  11
         3.3.1.2.  QoS bandwidth policies  . . . . . . . . . . . . .  11
         3.3.1.3.  Traffic filter  . . . . . . . . . . . . . . . . .  12
     3.4.  Internet access . . . . . . . . . . . . . . . . . . . . .  12
     3.5.  Interworking with conventional VPN  . . . . . . . . . . .  12
   4.  Modules Tree Structure  . . . . . . . . . . . . . . . . . . .  12
   5.  YANG Modules  . . . . . . . . . . . . . . . . . . . . . . . .  16
   6.  Security Considerations . . . . . . . . . . . . . . . . . . .  36
   7.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  37
   8.  Acknowledgments . . . . . . . . . . . . . . . . . . . . . . .  37
   9.  Contributors  . . . . . . . . . . . . . . . . . . . . . . . .  37
   10. References  . . . . . . . . . . . . . . . . . . . . . . . . .  37
     10.1.  Normative References . . . . . . . . . . . . . . . . . .  37
     10.2.  Informative References . . . . . . . . . . . . . . . . .  38
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  39

1.  Introduction

   The conventional VPN, such as BGP/MPLS IP VPNs [RFC4364], Ethernet
   VPN [RFC4664] have delivered promised connectivity in terms of
   security, mutlicast and Quality of Service.  These VPNs are
   categorized as PE-based Provider provisioned VPN.

   By comparison, the SD-WAN is a CE-based VPN which is sitting on top
   of the PE based Provider provisioned VPN or Internet.  A CE-based VPN
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