I guess you are looking for something like this http://traffic.comics.unina.it/software/ITG/
D-ITG (Distributed Internet Traffic Generator) is a platform capable to > produce traffic at packet level accurately replicating appropriate > stochastic processes for both IDT (*Inter Departure Time*) and PS (*Packet > Size*) random variables (*exponential, uniform, cauchy, normal, pareto, > ...*). > > 2015-10-01 22:11 GMT+02:00 alvin nanog <nano...@mail.ddos-mitigator.net>: > > hi matthias > > On 10/01/15 at 03:41pm, Matthias Flittner wrote: > > Dear colleagues, > > > > Currently we are looking for a magic tool with which it is possible to > > generate specific (realistic) traffic patterns between client and server > > to analyze (monitor) traffic characteristics (jitter, delay, inter > > arrival times, etc.). > > generating traffic and monitoring traffic is usually not done > by the same apps .... there's hundreds of monitoring apps > and hundreds of traffic generators > > delay is done very nicely by dummynet in FreeBSD or > (untested by me ) with NS3 in linux > > i don't understand simulating jitter, but, one can always use > "delay + random number" > > > It would be good if that wanted tool is not only able to generate > > different traffic patterns > > if you want to play with the headers ... that'd imply playing with > nmap/hping3/socat and dozens of other equivalent apps > > if you're just trying to flood the wire ... nc/socat/iperf etc > > > but also is able to collect different traffic > > metrics over time. So that it is possible to create catchy plots. :) > > "what metrics" you want to collect and how to you want to see it > would dictate which apps you'd be using > - tcp queue/buffers > - dropped packets > - delays > - retries > - udp vs tcp vs icmp vs ... > - stuff ... > > xmit/recv buffers in the hardware, default buffers in the OS and > buffers in the software apps must all be tuned to the same gigE > or 10gigE speeds otherwise, whacky stuff will happen > > for "catchy plots", you'd want gnuplot so you can (infinitely) zoom in > into the section you want to see dot-by-dot > > for big picture ... netstat, ntop, (not much info) mrtg, etc, etc > > big list of apps > Packet-Craft.net/Apps > > > Any hints or links would be greatly appreciated. > > if you're a proficient python'er, you'd probably like scapy > which can do everything you'd need to customize any packet > > magic pixie dust > alvin > # > # Packet-Craft.net/Apps > # > >
