[ns] Problems with DSDV

[DOSHI SHEETALKUMAR RAVINDRA <Sheetalkumar.Doshi@Colorado.EDU>]

Hi All,
I am trying to study how the DSDV protocol exactly works in wireless
scenarios. I tried the following scenario with 3 nodes in a grid of size
670x670:

 node 0 stationary at position (5,2) 
 node 1 stationary at position (200,10)
 node 2 stationary at position (400,2)

I generated traffic with node 2 transmitting to node 0. It worked pretty
much OK as node 2 directly sent the packets to node 0. Now I modified the
simulation by just shifting the position of node 2 to (450,2) and keeping
the node stationary all the time. Node 2 wasnt able to communicate with
node 0 directly as the RX power of the packets received at node 0 were
below threshold.  I expected node 2 to route the packets through
node 1 as node 1 was accessible from node 2 as well as node 0. However the
simulation stopped due to the fact that node 2 couldn't communicate with
node 0.

 Is this a problem with DSDV or is node 2 supposed to forward the
packets to node 0 through node 1?


Thanks and regards

Sheetalkumar Doshi
Graduate Student/Teaching Assistant
Department of Electrical and Computer Engineering
University Of Colorado at Boulder

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http://ucsub.Colorado.EDU/~doshi
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