Mar 18 2012

Throttle bandwidth with “cstream”.

cstream is a general-purpose stream-handling tool (like UNIX dd) usually used in command-line-constructed pipes.

Direct data streams, with bandwidth limiting, FIFO, audio, duplication and extended reporting support.
Continue reading


Dec 15 2011

Analyzing Link Performances with Iperf & Jperf.

Iperf is a tool to measure the bandwidth and the quality of a network link.
Jperf can be associated with Iperf to provide a graphical frontend (Java).

The quality of a link can be tested analyzing following aspects:
– Latency (Response Time or RTT): ICMP Tests.
– Jitter (Latency Variation): Iperf UDP Tests.
– Datagram Loss: Iperf UDP Tests.
– Bandwidth: Iperf TCP & UDP Tests.
Continue reading