Subject: Re: [manet] Another questions about MAC protocols

From: Ali Hamidian <[email-masked]>
Date: Mon, 01 Nov 2004 12:02:29 +0100

What Herb says is correct of course, but AODV will retransmit the 
broadcasted RREQ message if no RREP is received. After some number of 
retries AODV will give up. See the AODV RFC for more details.

Hope it helps
Ali

Herbert Rubens wrote:

>This is no ACK or retransmission of broadcast packets, only unicast
>packets. So the RREQ will have no retransmissions by the lower layer but
>the RREP will since it is unicast back to the source.
>
>Hope this helps.
>
>-Herb
>
>
>
>-----Original Message-----
>From: [email-masked] [mailto:[email-masked]] On Behalf
>Of Yau P
>Sent: Saturday, October 30, 2004 10:20 AM
>To: [email-masked]
>Subject: [manet] Another questions about MAC protocols
>
>Dear all,
>
>I was wondering if you help me answer a simple question.  Assuming that
>802.11 or some other similar MAC protocol is being used, and the ad hoc
>network in question is using AODV - does the broadcast of a RREQ undergo
>the
>same reliable delivery as with unicast packets (i.e.  I think it is
>three
>attempts before 802.11 gives up)?  
>
>Many thanks for your time in advance,
>Po
>
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