Re: [manet] ARP in MANETS

"Val Naumov" <naumov@inf.ethz.ch> Wed, 26 April 2006 14:49 UTC

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From: "Val Naumov" <naumov@inf.ethz.ch>
To: "manet" <manet@ietf.org>
References: <20060426134147.34551CA0B5@ws7-4.us4.outblaze.com>
Subject: Re: [manet] ARP in MANETS
Date: Wed, 26 Apr 2006 16:51:15 +0200
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Hi all,

> How do you know a "quite" station exist?
ARP-exchange precedes a unicast packet transmission. But in ad hoc network, 
a host A, before deciding to send a unicast message to another host B, must 
first receive any packet from B (any kind of broadcast: e.g., HELLO-message, 
route request, etc; OR a unicast packet).

ARP is in deed harmful for MANET. In addition to the paper that Seung 
pointer to, in the
paper "Scalability of Routing Methods in Ad Hoc Networks" we suggest a 
revised role of ARP in wireless ad hoc network that simplifies communication 
between hosts and improves the performance of any routing protocol, 
especially in scenarios with high mobility of hosts (constantly changing 
neighborhood). Routing protocols that are mostly based on unicast packet 
transmissions (e.g., geographic routing protocols) benefit most from 
omitting the ARP-exchange.

If you are interested, the paper is:
V. Naumov,  T. Gross,  Scalability of Routing Methods in Ad Hoc Networks, 
Performance Evaluation, Elsevier Science, 62(1-4):193-209, October 2005
http://www.lst.inf.ethz.ch/research/publications/PERFORMANCE_2005.html

Regards,

Val


----- Original Message ----- 
From: "yasser lotfy" <yasser.lotfy@lycos.com>
Cc: "manet" <manet@ietf.org>
Sent: Wednesday, April 26, 2006 3:41 PM
Subject: Re: [manet] ARP in MANETS



How do you know a "quite" station exist?






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