YANG Network Instances
draft-ietf-rtgwg-ni-model-02

Document Type Active Internet-Draft (rtgwg WG)
Last updated 2017-03-13
Replaces draft-rtgyangdt-rtgwg-ni-model
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Network Working Group                                          L. Berger
Internet-Draft                                   LabN Consulting, L.L.C.
Intended status: Standards Track                                C. Hopps
Expires: September 14, 2017                             Deutsche Telekom
                                                               A. Lindem
                                                           Cisco Systems
                                                           D. Bogdanovic
                                                          March 13, 2017

                         YANG Network Instances
                      draft-ietf-rtgwg-ni-model-02

Abstract

   This document defines a network instance module.  This module along
   with the logical network element module can be used to manage the
   logical and virtual resource representations that may be present on a
   network device.  Examples of common industry terms for logical
   resource representations are Logical Systems or Logical Routers.
   Examples of common industry terms for virtual resource
   representations are Virtual Routing and Forwarding (VRF) instances
   and Virtual Switch Instances (VSIs).

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
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   This Internet-Draft will expire on September 14, 2017.

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

Berger, et al.         Expires September 14, 2017               [Page 1]
Internet-Draft                  YANG NIs                      March 2017

   (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
   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.  Status of Work and Open Issues  . . . . . . . . . . . . .   3
   2.  Overview  . . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Network Instances . . . . . . . . . . . . . . . . . . . . . .   6
     3.1.  Network Instance Policy . . . . . . . . . . . . . . . . .   6
     3.2.  Network Instance Management . . . . . . . . . . . . . . .   7
     3.3.  Network Instance Instantiation  . . . . . . . . . . . . .   8
   4.  Security Considerations . . . . . . . . . . . . . . . . . . .   8
   5.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   9
   6.  Network Instance Model  . . . . . . . . . . . . . . . . . . .   9
   7.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  14
     7.1.  Normative References  . . . . . . . . . . . . . . . . . .  14
     7.2.  Informative References  . . . . . . . . . . . . . . . . .  15
   Appendix A.  Acknowledgments  . . . . . . . . . . . . . . . . . .  16
   Appendix B.  Contributors . . . . . . . . . . . . . . . . . . . .  17
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  17

1.  Introduction

   This document defines the second of two new modules that are defined
   to support the configuration and operation of network-devices that
   allow for the partitioning of resources from both, or either,
   management and networking perspectives.  Both make use of the YANG
   functionality enabled by YANG Schema Mount
   [I-D.ietf-netmod-schema-mount].

   Two forms of resource partitioning are supported:

   The first form, which is defined in [I-D.ietf-rtgwg-lne-model],
   provides a logical partitioning of a network device where each
   partition is separately managed as essentially an independent network
   element which is 'hosted' by the base network device.  These hosted
   network elements are referred to as logical network elements, or
   LNEs, and are supported by the logical-network-element module defined
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