ttcp

Benchmarking tool for analysing TCP and UDP performance

TTCP is a benchmarking tool for determining TCP and UDP performance between 2 systems. The program was created at the US Army Ballistics Research Lab (BRL) and is in the public domain. Feel free to distribute this program but please do leave the credit notices in the source and man page intact. How to get TCP performance numbers: receiver sender host1% ttcp -r -s host2% ttcp -t -s host1 -n and -l options change the number and size of the buffers.