YANG Logical Network Elements
draft-ietf-rtgwg-lne-model-04

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Last updated 2017-09-27
Replaces draft-rtgyangdt-rtgwg-lne-model
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Network Working Group                                          L. Berger
Internet-Draft                                   LabN Consulting, L.L.C.
Intended status: Standards Track                                C. Hopps
Expires: March 30, 2018                                 Deutsche Telekom
                                                               A. Lindem
                                                           Cisco Systems
                                                           D. Bogdanovic

                                                                  X. Liu
                                                                   Jabil
                                                      September 26, 2017

                     YANG Logical Network Elements
                     draft-ietf-rtgwg-lne-model-04

Abstract

   This document defines a logical network element module.  This module
   can be used to manage the logical resource partitioning that may be
   present on a network device.  Examples of common industry terms for
   logical resource partitioning are Logical Systems or Logical Routers.

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 March 30, 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
   (https://trustee.ietf.org/license-info) in effect on the date of

Berger, et al.           Expires March 30, 2018                 [Page 1]
Internet-Draft                  YANG LNEs                 September 2017

   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.  Terminology . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Overview  . . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Logical Network Elements  . . . . . . . . . . . . . . . . . .   5
     3.1.  LNE Instantiation and Resource Assignment . . . . . . . .   6
     3.2.  LNE Management - LNE View . . . . . . . . . . . . . . . .   7
     3.3.  LNE Management - Host Network Device View . . . . . . . .   7
   4.  Security Considerations . . . . . . . . . . . . . . . . . . .   8
   5.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   9
   6.  Logical Network Element Model . . . . . . . . . . . . . . . .   9
   7.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  13
     7.1.  Normative References  . . . . . . . . . . . . . . . . . .  13
     7.2.  Informative References  . . . . . . . . . . . . . . . . .  14
   Appendix A.  Acknowledgments  . . . . . . . . . . . . . . . . . .  14
   Appendix B.  Examples . . . . . . . . . . . . . . . . . . . . . .  15
     B.1.  Example: Host Device Managed LNE  . . . . . . . . . . . .  15
       B.1.1.  Configuration Data  . . . . . . . . . . . . . . . . .  19
       B.1.2.  State Data  . . . . . . . . . . . . . . . . . . . . .  23
     B.2.  Example: Self Managed LNE . . . . . . . . . . . . . . . .  32
       B.2.1.  Configuration Data  . . . . . . . . . . . . . . . . .  35
       B.2.2.  State Data  . . . . . . . . . . . . . . . . . . . . .  38
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  47

1.  Introduction

   This document defines a YANG [RFC6020] module to support the creation
   of logical network elements on a network device.  A logical network
   element (LNE) is an independently managed virtual device made up of
   resources allocated to it from the host or parent network device.  An
   LNE running on a host network device conceptually parallels a virtual
   machine running on a host system.  Using host-virtualization
   terminology one could refer to an LNE as a "Guest", and the
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