On Wed, Jul 23, 2008 at 11:45 AM, fatima zohra <[EMAIL PROTECTED]> wrote: > > > 2008/7/23 Omprakash Gnawali [EMAIL PROTECTED]: > >> >> If you put sequence numbers in the packet, you can find out which >> packets were not received. For example, you sent sequence numbers 1 >> through 10 but and received 1,2,3,4,6,7,8,9,10 then you know exactly >> how many packets were not received. >> >> - om_p > > actually this isn't my scenario; > here is an example of my protocol mechanism: > we assume Node1 neighbor of nodes 2 & 3, and these two nodes are neighbors > of source S (S will send 10 msgs for example) > if 3 crashes so node 1 won't receive any more packets from 3. which means if
You said there is one source but why is node 3 sending packets? > S sends messages (from numSeq = 5 to 9) node A will never notice that he Node A is mentioned here for the first time. Is it node A or 1 or 2 or 3? > missed the 5 last nodes (because he doesn't communicate with S directly , Nodes or packets? > and node 3 is turned off for ever and node 2 won't help him to know what > node 3 lost as messages (from S or other sources) because seq number is > unique and different for each node (the 5th seqNum for node 2 may be the 1st > message of the source S) > now i wonna to calculate packet loss rate in my network since i have a set > of nodes who crash and will lose some sent messages. > am i clear now ? if yes, how to handle this situation. > thanks in advance. > best regards. Your description has some typos and could use some clarification. - om_p _______________________________________________ Tinyos-help mailing list [email protected] https://www.millennium.berkeley.edu/cgi-bin/mailman/listinfo/tinyos-help
