ORBIT-USER: Doubt regarding SAMPLE filter in OML
semhatre at cc.gatech.edu
semhatre at cc.gatech.edu
Fri Nov 24 13:16:16 EST 2006
Hi.
I am attaching the modified script though I have not made much changes.
I have used the Hello world script itself.
Thanks.
Regards,
Swapnil
> Could you attach your experiment script please ? and any other scripts
> such as protoypes etc that you may have modified.
>
> Regarding the first 38 packets: note that the time window for those
> packets is about one second. It is probably because of the lag of
> starting the receiver application/oml on the receiver.
>
> -Pandurang
>
> semhatre at cc.gatech.edu wrote:
>> Hi.
>> I changed the filter in sender and receiver protoypes to SAMPLE from
>> TIME
>> to find per packet data ( with helloworld experiment). The SAMPLE SIZE
>> was
>> kept at 1.In the tables I got to see that alternate packets got dropped.
>> I
>> am pasting the sample I got below. Can I get any help to understand why
>> I
>> am getting such an output?
>>
>> Receiver_sender_port table --->
>> +---------+-------------+------------+-----------+---------+--------------------------+--------------+------+----------+
>> | node_id | sequence_no | timestamp | pkt_seqno | flow_no |
>> rcvd_pkt_size_sample_sum | rx_timestamp | rssi | xmitrate |
>> +---------+-------------+------------+-----------+---------+--------------------------+--------------+------+----------+
>> | node1-2 | 2 | 1164230172 | 41 | 0 |
>> 1024 | 76572887 | 0 | 0 |
>> | node1-2 | 3 | 1164230172 | 43 | 0 |
>> 1024 | 76572940 | 0 | 0 |
>> | node1-2 | 4 | 1164230172 | 45 | 0 |
>> 1024 | 76572995 | 0 | 0 |
>> | node1-2 | 5 | 1164230173 | 47 | 0 |
>> 1024 | 76573050 | 0 | 0 |
>> | node1-2 | 6 | 1164230173 | 49 | 0 |
>> 1024 | 76573104 | 0 | 0 |
>> | node1-2 | 7 | 1164230173 | 51 | 0 |
>> 1024 | 76573159 | 0 | 0 |
>> | node1-2 | 8 | 1164230173 | 53 | 0 |
>> 1024 | 76573213 | 0 | 0 |
>> | node1-2 | 9 | 1164230173 | 55 | 0 |
>> 1024 | 76573268 | 0 | 0 |
>> | node1-2 | 10 | 1164230173 | 57 | 0 |
>> 1024 | 76573323 | 0 | 0 |
>> | node1-2 | 11 | 1164230173 | 59 | 0 |
>> 1024 | 76573377 | 0 | 0 |
>> | node1-2 | 12 | 1164230173 | 61 | 0 |
>> 1024 | 76573432 | 0 | 0 |
>> | node1-2 | 13 | 1164230173 | 63 | 0 |
>> 1024 | 76573487 | 0 | 0 |
>> | node1-2 | 14 | 1164230173 | 65 | 0 |
>> 1024 | 76573541 | 0 |
>>
>> The corresponding sender_otg_senderport table -->
>> +---------+-------------+------------+-----------+---------------------+---------------+--------------+
>> | node_id | sequence_no | timestamp | pkt_seqno | pkt_size_sample_sum |
>> gen_timestamp | tx_timestamp |
>> +---------+-------------+------------+-----------+---------------------+---------------+--------------+
>> | node1-1 | 1 | 1164230171 | 1 | 1024 |
>> 27.3067 | 76571793 |
>> | node1-1 | 2 | 1164230171 | 2 | 1024 |
>> 54.6133 | 76571820 |
>> | node1-1 | 3 | 1164230171 | 3 | 1024 |
>> 81.92 | 76571848 |
>> | node1-1 | 4 | 1164230171 | 4 | 1024 |
>> 109.227 | 76571875 |
>> | node1-1 | 5 | 1164230171 | 5 | 1024 |
>> 136.533 | 76571902 |
>> | node1-1 | 6 | 1164230171 | 6 | 1024 |
>> 163.84 | 76571930 |
>> | node1-1 | 7 | 1164230171 | 7 | 1024 |
>> 191.147 | 76571957 |
>> | node1-1 | 8 | 1164230171 | 8 | 1024 |
>> 218.453 | 76571984 |
>> | node1-1 | 9 | 1164230172 | 9 | 1024 |
>> 245.76 | 76572012 |
>> | node1-1 | 10 | 1164230172 | 10 | 1024 |
>> 273.067 | 76572039 |
>> | node1-1 | 11 | 1164230172 | 11 | 1024 |
>> 300.373 | 76572066 |
>> | node1-1 | 12 | 1164230172 | 12 | 1024 |
>> 327.68 | 76572094 |
>> | node1-1 | 13 | 1164230172 | 13 | 1024 |
>> 354.987 | 76572121 |
>> | node1-1 | 14 | 1164230172 | 14 | 1024 |
>> 382.293 | 76572148 |
>> | node1-1 | 15 | 1164230172 | 15 | 1024 |
>> 409.6 | 76572176 |
>> | node1-1 | 16 | 1164230172 | 16 | 1024 |
>> 436.907 | 76572203 |
>> | node1-1 | 17 | 1164230172 | 17 | 1024 |
>> 464.213 | 76572230 |
>> | node1-1 | 18 | 1164230172 | 18 | 1024 |
>> 491.52 | 76572258 |
>> | node1-1 | 19 | 1164230172 | 19 | 1024 |
>> 518.827 | 76572285 |
>> | node1-1 | 20 | 1164230172 | 20 | 1024 |
>> 546.133 | 76572312 |
>> | node1-1 | 21 | 1164230172 | 21 | 1024 |
>> 573.44 | 76572339 |
>> | node1-1 | 22 | 1164230172 | 22 | 1024 |
>> 600.747 | 76572367 |
>> | node1-1 | 23 | 1164230172 | 23 | 1024 |
>> 628.053 | 76572394 |
>> | node1-1 | 24 | 1164230172 | 24 | 1024 |
>> 655.36 | 76572421 |
>> | node1-1 | 25 | 1164230172 | 25 | 1024 |
>> 682.667 | 76572449 |
>> | node1-1 | 26 | 1164230172 | 26 | 1024 |
>> 709.973 | 76572476 |
>> | node1-1 | 27 | 1164230172 | 27 | 1024 |
>> 737.28 | 76572503 |
>> | node1-1 | 28 | 1164230172 | 28 | 1024 |
>> 764.587 | 76572531 |
>> | node1-1 | 29 | 1164230172 | 29 | 1024 |
>> 791.893 | 76572558 |
>> | node1-1 | 30 | 1164230172 | 30 | 1024 |
>> 819.2 | 76572585 |
>> | node1-1 | 31 | 1164230172 | 31 | 1024 |
>> 846.507 | 76572613 |
>> | node1-1 | 32 | 1164230172 | 32 | 1024 |
>> 873.813 | 76572640 |
>> | node1-1 | 33 | 1164230172 | 33 | 1024 |
>> 901.12 | 76572667 |
>> | node1-1 | 34 | 1164230172 | 34 | 1024 |
>> 928.427 | 76572695 |
>> | node1-1 | 35 | 1164230172 | 35 | 1024 |
>> 955.733 | 76572722 |
>> | node1-1 | 36 | 1164230172 | 36 | 1024 |
>> 983.04 | 76572749 |
>> | node1-1 | 37 | 1164230172 | 37 | 1024 |
>> 1010.35 | 76572776 |
>> | node1-1 | 38 | 1164230172 | 38 | 1024 |
>> 1037.65 | 76572804 |
>> | node1-1 | 39 | 1164230172 | 39 | 1024 |
>> 1064.96 | 76572831 |
>> | node1-1 | 40 | 1164230172 | 40 | 1024 |
>> 1092.27 | 76572858 |
>> | node1-1 | 41 | 1164230172 | 41 | 1024 |
>> 1119.57 | 76572886 |
>> | node1-1 | 42 | 1164230172 | 42 | 1024 |
>> 1146.88 | 76572913 |
>> | node1-1 | 43 | 1164230172 | 43 | 1024 |
>> 1174.19 | 76572940 |
>> | node1-1 | 44 | 1164230172 | 44 | 1024 |
>> 1201.49 | 76572968 |
>> | node1-1 | 45 | 1164230172 | 45 | 1024 |
>> 1228.8 | 76572995 |
>> | node1-1 | 46 | 1164230173 | 46 | 1024 |
>> 1256.11 | 76573022 |
>> | node1-1 | 47 | 1164230173 | 47 | 1024 |
>> 1283.41 | 76573050 |
>> | node1-1 | 48 | 1164230173 | 48 | 1024 |
>> 1310.72 | 76573077 |
>> | node1-1 | 49 | 1164230173 | 49 | 1024 |
>> 1338.03 | 76573104 |
>> | node1-1 | 50 | 1164230173 | 50 | 1024 |
>> 1365.33 | 76573131 |
>> | node1-1 | 51 | 1164230173 | 51 | 1024 |
>> 1392.64 | 76573158 |
>> | node1-1 | 52 | 1164230173 | 52 | 1024 |
>> 1419.95 | 76573185 |
>> | node1-1 | 53 | 1164230173 | 53 | 1024 |
>> 1447.25 | 76573212 |
>> | node1-1 | 54 | 1164230173 | 54 | 1024 |
>> 1474.56 | 76573240 |
>> | node1-1 | 55 | 1164230173 | 55 | 1024 |
>> 1501.87 | 76573267 |
>> | node1-1 | 56 | 1164230173 | 56 | 1024 |
>> 1529.17 | 76573294 |
>> | node1-1 | 57 | 1164230173 | 57 | 1024 |
>> 1556.48 | 76573322 |
>> | node1-1 | 58 | 1164230173 | 58 | 1024 |
>> 1583.79 | 76573349 |
>> | node1-1 | 59 | 1164230173 | 59 | 1024 |
>> 1611.09 | 76573376 |
>> | node1-1 | 60 | 1164230173 | 60 | 1024 |
>> 1638.4 | 76573404 |
>>
>>
>> Please see that the first 38 packets get dropped.
>>
>> Regards,
>> Swapnil
>
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