DLEP Multi-Hop Forwarding Extension
draft-cheng-manet-dlep-multi-hop-extension-00

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Network Working Group                                           B. Cheng
Internet-Draft                                        Lincoln Laboratory
Intended status: Standards Track                          L. Berger, Ed.
Expires: April 30, 2017                          LabN Consulting, L.L.C.
                                                        October 27, 2016

                  DLEP Multi-Hop Forwarding Extension
             draft-cheng-manet-dlep-multi-hop-extension-00

Abstract

   This document defines an extension to the DLEP protocol that enables
   a the reporting and control of Multi-Hop Forwarding by DLEP capable
   modems.

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 April 30, 2017.

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
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   described in the Simplified BSD License.

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Table of Contents

   1.  Introduction  . . . . . . . . . . . . . . . . . . . . . . . .   2
     1.1.  Key Words . . . . . . . . . . . . . . . . . . . . . . . .   3
   2.  Extension Usage and Identification  . . . . . . . . . . . . .   3
   3.  Extension Data Items  . . . . . . . . . . . . . . . . . . . .   3
     3.1.  Hop Count . . . . . . . . . . . . . . . . . . . . . . . .   3
     3.2.  Hop Control . . . . . . . . . . . . . . . . . . . . . . .   5
       3.2.1.  Reset . . . . . . . . . . . . . . . . . . . . . . . .   6
       3.2.2.  Terminate . . . . . . . . . . . . . . . . . . . . . .   6
       3.2.3.  Direct Connection . . . . . . . . . . . . . . . . . .   6
       3.2.4.  Suppress Forwarding . . . . . . . . . . . . . . . . .   7
   4.  Security Considerations . . . . . . . . . . . . . . . . . . .   7
   5.  IANA Considerations . . . . . . . . . . . . . . . . . . . . .   7
     5.1.  Extension Type Value  . . . . . . . . . . . . . . . . . .   7
     5.2.  Data Item Values  . . . . . . . . . . . . . . . . . . . .   8
     5.3.  Hop Control Actions Registry  . . . . . . . . . . . . . .   8
   6.  References  . . . . . . . . . . . . . . . . . . . . . . . . .   9
     6.1.  Normative References  . . . . . . . . . . . . . . . . . .   9
     6.2.  Informative References  . . . . . . . . . . . . . . . . .   9
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . .   9

1.  Introduction

   The Dynamic Link Event Protocol (DLEP) is defined in
   [I-D.ietf-manet-dlep].  It provides the exchange of link related
   control information between DLEP peers.  DLEP peers are comprised of
   a modem and a router.  DLEP defines a base set of mechanisms as well
   as support for possible extensions.  This document defines one such
   extension.

   Some modem technologies support connectivity to destinations via
   multi-hop forwarding.  DLEP Destination messages can be used to
   report such connectivity, see [I-D.ietf-manet-dlep], but do not
   provide any information related to the number or capacity of the
   hops.  The extension defined in this document enables modems to
   inform routers when multi-hop forwarding is being used, and routers
   to request that modems change multi-hop forwarding behavior.  The
   extension defined in this document is referred to as "Multi-Hop
   Forwarding".

   This document defines a new DLEP Extension Type Value in Section 2
   which is used to indicate the use of the extension, and three new
   DLEP Data Items in Section 3.

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