AODV issues using OMNeT++

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João Matos

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Mar 11, 2010, 12:46:00 PM3/11/10
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Hello everybody!

Is there anybody who can answer me some questions about AODV protocol? My doubts are simple to answer (I guess)!

 * When the destination node receives more than 1 RREQ message (from the same source and with the same RREQ ID) does it respond with the same number of RREP messages or with only a single RREP?

 * What happens to a DATA packet when it arrives to a node which doesn't have an active route to the destination? I know that a RERR message is created, but what happens to the DATA packet? Is it discarted and lost, or is it sent back to the originator?

I'm trying to implement this protocol in OMNeT++ but I have these doubts.

Thanks in advance.

Alfonso Ariza

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Mar 11, 2010, 1:31:53 PM3/11/10
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1.- see the file src/networklayer/manetrouting/aodv/aodv-uu/aodv_rreq.cc, line 267

The RREQ is deleted

2.- If the local repair mechanism is active the packet is active the node enqueue the packet and try to find a valid route to the destination, If the local repair is disable the packet is discarded

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