Other interesting performance between Sunnyvale and CERN: 

[root@w02gva add]# ./iperf-1.6.5 -s -w 128M
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size:  256 MByte (WARNING: requested  128 MByte)
------------------------------------------------------------
[ ID] Interval       Transfer     Bandwidth
[  6]  0.0-600.0 sec   166 GBytes  2.37 Gbits/sec

[root@w02gva add]# ./iperf-1.6.5 -s -w 128M
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size:  256 MByte (WARNING: requested  128 MByte)
------------------------------------------------------------
[  6] local 192.91.239.213 port 5001 connected with 198.51.111.90 port 32829
[ ID] Interval       Transfer     Bandwidth
[  6]  0.0-120.1 sec  32.7 GBytes  2.34 Gbits/sec

[root@w02gva add]# ./iperf-1.6.5 -s -w 64M
------------------------------------------------------------
Server listening on TCP port 5001
TCP window size:  128 MByte (WARNING: requested 64.0 MByte)
------------------------------------------------------------
[  6] local 192.91.239.213 port 5001 connected with 198.51.111.90 port 32792
[ ID] Interval       Transfer     Bandwidth
[  6]  0.0-120.2 sec  30.0 GBytes  2.15 Gbits/sec