02-12-2007
If network is busy, packet buffers will be full and routers will start dropping packets. So, you may probably test by dropping outgoing packets matching a certain src/dest IP/port with a firewall, such as iptables on Linux.
By the way, I just browse the Linux kernel configuration and it has a packet generator for network stress testing!
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LEARN ABOUT DEBIAN
polygraph-pop-test
POLYGRAPH-POP-TEST(1) User Commands POLYGRAPH-POP-TEST(1)
NAME
polygraph-pop-test - predicts cache hit ratios for a given workload
SYNOPSIS
pop-test [--option ...]
OPTIONS
--help list of options
--version
package version info
--out <file>
redirect console output
--cachable <%>
portion of cachable replies
--public_interest <%>
portion of URLs shared among all robots
--recurrence <%>
probability of a re-visit to a URL
--work_set_size <size>
working set size
--cache_size <size>
cache size
--obj_size <size>
average object size
--robots <int>
total number of robots to simulate
--pop_model <str>
popularity model
--sim_length <int>
total number of request to simulate
COPYRIGHT
Copyright (C) 2003-2006 The Measurement Factory, Inc.
SEE ALSO
polygraph(7) - general information and a list of programs
http://www.web-polygraph.org/ - project web site
polygraph-pop-test - Web Polygraph February 2010 POLYGRAPH-POP-TEST(1)