Entre mon portable Core i5 et mon vieux serveur, pour montrer que 1 Gb/s est possible :
$ iperf -c 192.168.1.100 -i 2 -r
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size: 85.3 KByte (default)
------------------------------------------------------------
------------------------------------------------------------
Client connecting to 192.168.1.100, TCP port 5001
TCP window size: 155 KByte (default)
------------------------------------------------------------
[ 5] local 192.168.1.1 port 45716 connected with 192.168.1.100 port 5001
[ ID] Interval Transfer Bandwidth
[ 5] 0.0- 2.0 sec 222 MBytes 933 Mbits/sec
[ 5] 2.0- 4.0 sec 222 MBytes 932 Mbits/sec
[ 5] 4.0- 6.0 sec 221 MBytes 929 Mbits/sec
[ 5] 6.0- 8.0 sec 220 MBytes 925 Mbits/sec
[ 5] 8.0-10.0 sec 221 MBytes 925 Mbits/sec
[ 5] 0.0-10.0 sec 1.08 GBytes 929 Mbits/sec
[ 4] local 192.168.1.1 port 5001 connected with 192.168.1.100 port 59613
[ 4] 0.0- 2.0 sec 224 MBytes 938 Mbits/sec
[ 4] 2.0- 4.0 sec 224 MBytes 941 Mbits/sec
[ 4] 4.0- 6.0 sec 224 MBytes 941 Mbits/sec
[ 4] 6.0- 8.0 sec 224 MBytes 940 Mbits/sec
[ 4] 8.0-10.0 sec 224 MBytes 941 Mbits/sec
[ 4] 0.0-10.0 sec 1.10 GBytes 940 Mbits/sec
Pour les 3 PC on est sur de l'Ubuntu.
Je me demande si il est possible de faire 1 Gb/s sur un bus PCI classique...