[GTER] TCP e UDP

[André Luiz Rodrigues Ferreira]

Olá!
Vc tem algum tipo de filtro de pacotes no seu gateway?
O ideal seria vc fechar as duas pontas e depurar...

Em 09/03/06, Fabio Fonseca<fonseca at brasilsite.com.br> escreveu:
> Boa tarde,
>
>
> Estou testando minha rede ate a saída internet através de um software iperf
> e o estranho q existe uma diferença grandiosa entre a transferência através
> do TCP e UDP, meu link a internet é de 3 MB/s via radio.
> Pergunto:
>
> Existe diferença na transferência de pacotes entre TCP e UDP ?
>
>
>
>
>
> C:\Documents and Settings\Elfo\Desktop\iperf-1.7.0-win32>iperf.exe -w 2048
> -c XXX.XXX.XXX.XXX -t 10 -i 1
> ------------------------------------------------------------
> Client connecting to XXX.XXX.XXX.XXX, TCP port 5001
> TCP window size: 2.00 KByte
> ------------------------------------------------------------
> [1912] local 192.168.0.144 port 2281 connected with XXX.XXX.XXX.XXX port
> 5001
> [ ID] Interval       Transfer     Bandwidth
> [1912]  0.0- 1.0 sec   424 KBytes  3.47 Mbits/sec
> [1912]  1.0- 2.0 sec   392 KBytes  3.21 Mbits/sec
> [1912]  2.0- 3.0 sec   416 KBytes  3.41 Mbits/sec
> [1912]  3.0- 4.0 sec   416 KBytes  3.41 Mbits/sec
> [1912]  4.0- 5.0 sec   320 KBytes  2.62 Mbits/sec
> [1912]  5.0- 6.0 sec   272 KBytes  2.23 Mbits/sec
> [1912]  6.0- 7.0 sec   376 KBytes  3.08 Mbits/sec
> [1912]  7.0- 8.0 sec   416 KBytes  3.41 Mbits/sec
> [1912]  8.0- 9.0 sec   392 KBytes  3.21 Mbits/sec
> [1912]  9.0-10.0 sec   432 KBytes  3.54 Mbits/sec
> [1912]  0.0-10.0 sec  3.77 MBytes  3.16 Mbits/sec
>
> C:\Documents and Settings\Elfo\Desktop\iperf-1.7.0-win32>iperf.exe -w 2048
> -c XXX.XXX.XXX.XXX -t 10 -i 1 -u
> ------------------------------------------------------------
> Client connecting to XXX.XXX.XXX.XXX, UDP port 5001
> Sending 1470 byte datagrams
> UDP buffer size: 2.00 KByte
> ------------------------------------------------------------
> [1912] local 192.168.0.144 port 2282 connected with XXX.XXX.XXX.XXX port
> 5001
> [ ID] Interval       Transfer     Bandwidth
> [1912]  0.0- 1.0 sec   129 KBytes  1.06 Mbits/sec
> [1912]  1.0- 2.0 sec   128 KBytes  1.05 Mbits/sec
> [1912]  2.0- 3.0 sec   128 KBytes  1.05 Mbits/sec
> [1912]  3.0- 4.0 sec   128 KBytes  1.05 Mbits/sec
> [1912]  4.0- 5.0 sec   128 KBytes  1.05 Mbits/sec
> [1912]  5.0- 6.0 sec   128 KBytes  1.05 Mbits/sec
> [1912]  6.0- 7.0 sec   129 KBytes  1.06 Mbits/sec
> [1912]  7.0- 8.0 sec   128 KBytes  1.05 Mbits/sec
> [1912]  8.0- 9.0 sec   128 KBytes  1.05 Mbits/sec
> [1912]  9.0-10.0 sec   128 KBytes  1.05 Mbits/sec
> [1912]  0.0-10.0 sec  1.25 MBytes  1.05 Mbits/sec
> [1912] WARNING: did not receive ack of last datagram after 10 tries.
> [1912] Sent 893 datagrams
>
> C:\Documents and Settings\Elfo\Desktop\iperf-1.7.0-win32>
>
>
> ate
>
>
> Fabio Fonseca
>
> --
> gter list    https://eng.registro.br/mailman/listinfo/gter
>


--
Andre Luiz Rodrigues Ferreira (si0ux) <andrelrf at gmail.com>
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