A YANG Data Model for SD-WAN Service Delivery
draft-sun-opsawg-sdwan-service-model-04

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Operations and Management Area Working Group                      Q. Sun
Internet-Draft                                                     H. Xu
Intended status: Standards Track                           China Telecom
Expires: January 4, 2020                                      B. Wu, Ed.
                                                              Q. Wu, Ed.
                                                                  Huawei
                                                           C. Eckel, Ed.
                                                           Cisco Systems
                                                            July 3, 2019

             A YANG Data Model for SD-WAN Service Delivery
                draft-sun-opsawg-sdwan-service-model-04

Abstract

   This document provides a YANG data model for an SD-WAN service.  An
   SD-WAN service is a connectivity service offered by a service
   provider network to provide connectivity across different locations
   of a customer network or between a customer network and an external
   network, such as the Internet or a private/public cloud network.
   This connectivity is provided as an overlay constructed using one of
   more underlay networks.  The model can be used by a service
   orchestrator of a service provider to request, configure, and manage
   the components of an SD-WAN service.

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
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   This Internet-Draft will expire on January 4, 2020.

Copyright Notice

   Copyright (c) 2019 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

Sun, et al.              Expires January 4, 2020                [Page 1]
Internet-Draft          SD-WAN Service YANG Model              July 2019

   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
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   described in the Simplified BSD License.

Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   3
     1.2.  Definitions . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  High Level Overview of SD-WAN Service . . . . . . . . . . . .   4
   3.  Service Data Model Usage  . . . . . . . . . . . . . . . . . .   6
   4.  Design of the Data Model  . . . . . . . . . . . . . . . . . .   7
     4.1.  SD-WAN connectivity service . . . . . . . . . . . . . . .   8
       4.1.1.  VPNs  . . . . . . . . . . . . . . . . . . . . . . . .   8
       4.1.2.  Sites . . . . . . . . . . . . . . . . . . . . . . . .   9
     4.2.  Application based Policy Service  . . . . . . . . . . . .  10
   5.  Modules Tree Structure  . . . . . . . . . . . . . . . . . . .  12
   6.  YANG Modules  . . . . . . . . . . . . . . . . . . . . . . . .  17
   7.  Security Considerations . . . . . . . . . . . . . . . . . . .  43
   8.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  43
   9.  Appendix 1: Terminology Mapping between MEF SD-WAN Service
       Attributes and IETF SD-WAN model  . . . . . . . . . . . . . .  44
   10. Appendix 2: IETF OSE model vs IETF SD-WAN model . . . . . . .  44
   11. Acknowledgments . . . . . . . . . . . . . . . . . . . . . . .  45
   12. Contributors  . . . . . . . . . . . . . . . . . . . . . . . .  45
   13. References  . . . . . . . . . . . . . . . . . . . . . . . . .  45
     13.1.  Normative References . . . . . . . . . . . . . . . . . .  45
     13.2.  Informative References . . . . . . . . . . . . . . . . .  46
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  47

1.  Introduction

   An SD-WAN service is a connectivity service offered by a service
   provider network to provide connectivity across different locations
   of a customer network or between a customer network and an external
   network.  Compared to a conventional PE-based connectivity service as
   defined in Layer 3 VPN Service Model [RFC8299] and Layer 2 VPN
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