Iperf versus ABwE
(few unclear points)
How to configure Iperf to achieve  maximum
performance in  changing environment
    ( difference ~ 10 - 100 %)
Limitation on the Entry-points to the Internet
(SLAC 622Mbits, customer load (10% - 40% )
Machine performance (400-550 Mbits)
Iperf aggressiveness (it suppress bandwidth of
other running applications) and reports all what
Iperf transferred
Synchronization problem to avoid dependency