[Csci551-talk] what to retransmit?

[John Heidemann]

On Tue, 25 Mar 2003 17:12:41 PST, "Sumeet Savla" wrote: 
>Hi professor, TA and fellow students,
> 
>I have a doubt about what should be resent on a packet drop.
>Should we send the same packet again that was dropped
>or
>should we send a new packet of the latest routing table?
> 
>If we retransmit the same packet, then ....according to me....it doesnot help
>much....
>bcos firstly we need to store the state per sequence number
>secondly, we will transmit a packet which was sent long back and there "could
>be" another message already sent from the same source to neighbour....which
>would hv a higher sequence number. and so , effectively, sending this old
>message may not help much...
> 
>Is one way preferred over the other, or are both ways fine???
> 
>other students and the professor, Please reply asap.
> 
>thank you,
>Sumeet
>
>

In general, if something is not specified in the assignment, you may
chose a reasonable way to do it.

When you identify something like this that you think is important,
make your choice and document it in the README file.
(Along with WHY you made your choice the way you did.)

   -John Heidemann