YANG Data Model for SD-WAN OSE service delivery
draft-wood-rtgwg-sdwan-ose-yang-00
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RTWG Working Group                                          S. Wood, Ed.
Internet-Draft                                             Cisco Systems
Intended status: Standards Track                              B. Wu, Ed.
Expires: September 12, 2019                                   Q. Wu, Ed.
                                                                  Huawei
                                                              C. Menezes
                                                               HPE Aruba
                                                          March 11, 2019

            YANG Data Model for SD-WAN OSE service delivery
                   draft-wood-rtgwg-sdwan-ose-yang-00

Abstract

   This document defines two SD-WAN OSE Open SD-WAN Exchange(OSE)
   service YANG modules to enable the orchestrator in the enterprise
   network to implement SD-WAN inter-domain reachability and
   connectivity services and application aware traffic steering
   services.

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 September 12, 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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   (https://trustee.ietf.org/license-info) in effect on the date of
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   carefully, as they describe your rights and restrictions with respect

Wood, et al.           Expires September 12, 2019               [Page 1]
Internet-Draft            SDWAN OSE YANG Model                March 2019

   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  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   3
       1.1.1.  Requirements Language . . . . . . . . . . . . . . . .   4
     1.2.  Tree diagram  . . . . . . . . . . . . . . . . . . . . . .   4
   2.  Definitions . . . . . . . . . . . . . . . . . . . . . . . . .   4
   3.  The SD-WAN OSE Service Model Requirements . . . . . . . . . .   5
     3.1.  Reachability & Router Exchange Requirements . . . . . . .   5
     3.2.  Path management Requirements  . . . . . . . . . . . . . .   5
     3.3.  Network Segmentation Requirements . . . . . . . . . . . .   6
   4.  Service Model Usage . . . . . . . . . . . . . . . . . . . . .   6
   5.  Design of the Data Model  . . . . . . . . . . . . . . . . . .   8
     5.1.  OSE Gateway module  . . . . . . . . . . . . . . . . . . .   8
     5.2.  path-management module  . . . . . . . . . . . . . . . . .   9
   6.  SD-WAN OSE Path Management YANG Module  . . . . . . . . . . .  12
   7.  SD-WAN OSE Reachability Service YANG Module . . . . . . . . .  21
   8.  Security Considerations . . . . . . . . . . . . . . . . . . .  25
   9.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .  26
   10. References  . . . . . . . . . . . . . . . . . . . . . . . . .  27
     10.1.  Normative References . . . . . . . . . . . . . . . . . .  27
     10.2.  Informative References . . . . . . . . . . . . . . . . .  28
   Appendix A.  Acknowledges . . . . . . . . . . . . . . . . . . . .  28
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  28

1.  Introduction

   Software-Defined WAN networking (SDWAN) has become a major new
   technology in Wide Area Networking.  SDWAN architecture is a
   combination of data and control plane orchestration, proprietary
   control-plane enhancements as well as single-hop, CE-CE data-planes
   often referred to as "fabrics".  On top of this infrastructure,
   centralized network policy administration and distribution is
   provided to achieve a specific set of network outcomes or use-cases.

   As a result of the use-case driven approach, SDWAN technology
   solutions often encode choices about data-plane and protocol
   operation into associated data-plane, control-plane and controller
   subsystems.  These choices are intended to simplify deployment of
   SDWAN use-cases, but often result in systems that are not compatible
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