Intermediate RREP for dynamic MANET On-demand (AODVv2) Routing
draft-perkins-irrep-00

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Document Type Active Internet-Draft (individual)
Authors Charles Perkins  , Ian Chakeres 
Last updated 2012-07-09
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Mobile Ad hoc Networks Working Group                          C. Perkins
Internet-Draft                                                 Futurewei
Intended status: Standards Track                             I. Chakeres
Expires: January 11, 2013                                         CenGen
                                                           July 10, 2012

     Intermediate RREP for dynamic MANET On-demand (AODVv2) Routing
                         draft-perkins-irrep-00

Abstract

   The Dynamic MANET On-demand (AODVv2) routing protocol is intended for
   use by mobile routers in wireless, multihop networks.  AODVv2
   determines unicast routes among AODVv2 routers within the network in
   an on-demand fashion, offering on-demand convergence in dynamic
   topologies.  This document specifies an extension to AODVv2 (and
   possibly other reactive routing protocols) enabling intermediate
   nodes to shorten route discovery times.

Status of this Memo

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Copyright Notice

   Copyright (c) 2012 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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   include Simplified BSD License text as described in Section 4.e of
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   described in the Simplified BSD License.

Table of Contents

   1.  Overview  . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
   2.  Terminology . . . . . . . . . . . . . . . . . . . . . . . . . . 3
   3.  Intermediate AODVv2 Router RREP Creation  . . . . . . . . . . . 4
   4.  Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . 5
   5.  Security Considerations . . . . . . . . . . . . . . . . . . . . 5
   6.  References  . . . . . . . . . . . . . . . . . . . . . . . . . . 5
     6.1.  Normative References  . . . . . . . . . . . . . . . . . . . 5
     6.2.  Informative References  . . . . . . . . . . . . . . . . . . 5
   Authors' Addresses  . . . . . . . . . . . . . . . . . . . . . . . . 6

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1.  Overview

   The Dynamic MANET On-demand (AODVv2) routing protocol enables on-
   demand, multihop unicast routing among participating AODVv2 routers.
   The basic operations of the AODVv2 protocol are route discovery and
   route maintenance.  Route discovery is performed when an AODVv2
   router receives a packet from a node under its responsibility to a
   destination for which it does not have a route.  Route maintenance is
   performed to help ensure that the route being used to forward packets
   from the source to the destination remains operational.

   During route discovery, the originator's AODVv2 router initiates
   dissemination of a Route Request (RREQ) throughout the network to
   find a route to a particular destination, via the AODVv2 router
   responsible for this destination.  During this hop-by-hop
   dissemination process, each intermediate AODVv2 router records a
   route to the originator.  If the intermediate router has a route to
   the destination requested in the RREQ, it may by following the
   specification in this document supply that routing information to the
   originator of the RREQ.  Such an RREP message is termed an
   "Intermediate RREP" (iRREP).  The Intermediate router also forwards
   another RREP message to the requested destination, supplying the
   destination and other intermediate routers with a route towards the
   originator of the RREQ.  When the originator's AODVv2 router receives
   the iRREP, and the destination receives iRREP for the originator,
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