A YANG Data Model for L2VPN Service Delivery
draft-ietf-l2sm-l2vpn-service-model-02

Document Type Active Internet-Draft (l2sm WG)
Last updated 2017-07-03
Replaces draft-wen-l2sm-l2vpn-service-model
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L2SM Working Group                                                B. Wen
Internet-Draft                                                   Comcast
Intended status: Standards Track                        G. Fioccola, Ed.
Expires: January 4, 2018                                  Telecom Italia
                                                                  C. Xie
                                                           China Telecom
                                                                L. Jalil
                                                                 Verizon
                                                            July 3, 2017

              A YANG Data Model for L2VPN Service Delivery
                 draft-ietf-l2sm-l2vpn-service-model-02

Abstract

   This document defines a YANG data model that can be used to configure
   a Layer 2 Provider Provisioned VPN service.

   This model is intended to be instantiated at management system to
   deliver the overall service.  This model is not a configuration model
   to be used directly on network elements, but provides an abstracted
   view of the Layer 2 VPN service configuration components.  It is up
   to a management system to take this as an input and generate specific
   configurations models to configure the different network elements to
   deliver the service.  How configuration of network elements is done
   is out of scope of the document.

   The data model in this document includes support for point-to-point
   Virtual Private Wire Services (VPWS) and multipoint Virtual Private
   LAN services (VPLS) that use Pseudowires signaled using the Label
   Distribution Protocol (LDP) and the Border Gateway Protocol (BGP) as
   described in RFC4761 and RFC6624.

Requirements Language

   The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",
   "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this
   document are to be interpreted as described in [RFC2119].

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

Wen, et al.              Expires January 4, 2018                [Page 1]
Internet-Draft             L2VPN Service Model                 July 2017

   working documents as Internet-Drafts.  The list of current Internet-
   Drafts is at http://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 January 4, 2018.

Copyright Notice

   Copyright (c) 2017 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
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
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   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  . . . . . . . . . . . . . . . . . . . . . . . .   4
     1.1.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   5
     1.2.  Tree diagram  . . . . . . . . . . . . . . . . . . . . . .   5
   2.  Definitions . . . . . . . . . . . . . . . . . . . . . . . . .   6
   3.  The Layer 2 VPN Service Model . . . . . . . . . . . . . . . .   7
     3.1.  Applicability of the Layer 2 VPN Service Model  . . . . .   7
     3.2.  Layer 2 VPN Service Types . . . . . . . . . . . . . . . .   8
     3.3.  Layer 2 VPN Physical Network Topology . . . . . . . . . .   9
     3.4.  Layer 2 VPN Ethernet Virtual Circuit Construct  . . . . .  11
   4.  Service Data Model Usage  . . . . . . . . . . . . . . . . . .  13
   5.  Design of the Data Model  . . . . . . . . . . . . . . . . . .  15
     5.1.  Features and Augmentation . . . . . . . . . . . . . . . .  25
     5.2.  VPN Service Overview  . . . . . . . . . . . . . . . . . .  26
       5.2.1.  Customer Information  . . . . . . . . . . . . . . . .  27
       5.2.2.  VPN Service Type  . . . . . . . . . . . . . . . . . .  27
         5.2.2.1.  EVC . . . . . . . . . . . . . . . . . . . . . . .  28
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