Logical Network Element Model
draft-ietf-rtgwg-lne-model-00

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Last updated 2016-06-25
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: December 25, 2016                              Deutsche Telekom
                                                               A. Lindem
                                                           Cisco Systems
                                                           D. Bogdanovic
                                                           June 23, 2016

                     Logical Network Element Model
                     draft-ietf-rtgwg-lne-model-00

Abstract

   This document defines a logical network element module.  This module
   along with the network instance 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 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
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   This Internet-Draft will expire on December 25, 2016.

Copyright Notice

   Copyright (c) 2016 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 December 25, 2016               [Page 1]
Internet-Draft                  LNE Model                      June 2016

   (http://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.  Status of Work and Open Issues  . . . . . . . . . . . . .   3
   2.  Overview  . . . . . . . . . . . . . . . . . . . . . . . . . .   3
   3.  Logical Network Elements  . . . . . . . . . . . . . . . . . .   6
     3.1.  LNE Management - Host Network Device View . . . . . . . .   6
     3.2.  LNE Management - LNE View . . . . . . . . . . . . . . . .   8
     3.3.  LNE Instantiation . . . . . . . . . . . . . . . . . . . .   8
   4.  Security Considerations . . . . . . . . . . . . . . . . . . .   8
   5.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   8
   6.  Logical Network Element Model . . . . . . . . . . . . . . . .   8
   7.  References  . . . . . . . . . . . . . . . . . . . . . . . . .  10
     7.1.  Normative References  . . . . . . . . . . . . . . . . . .  10
     7.2.  Informative References  . . . . . . . . . . . . . . . . .  11
   Appendix A.  Acknowledgments  . . . . . . . . . . . . . . . . . .  11
   Appendix B.  Contributors . . . . . . . . . . . . . . . . . . . .  13
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .  13

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.)  This document also
   defines the necessary augmentations for allocating host resources to
   a given LNE.  As the interface management model [RFC7223] is the only
   a module that currently defines host resources, this document
   currently defines only a single augmentation to cover the assignment
   of interfaces to an LNE.

   As each LNE is an independently managed device, each will have its
   own set of YANG modeled data that is independent of the host device
   and other LNEs.  For example, multiple LNEs may all have their own
   "Tunnel0" interface defined which will not conflict with each other
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