Mikael Abrahamsson <swm...@swm.pp.se> writes: > On Wed, 4 Sep 2019, Matt Taggart wrote: > >> So an interesting idea but they have some things they could improve. > > I've been considering what one should run in parallel with the speed test > to get an impression if the speedtest impacts performance of other flows / > realtime flows, similar to what dslreports speedtest does. > > I've considered running one or several simulated voip calls (50pps) and > record RTT, PDV, packet loss etc for this session. > > It would be interesting to hear any suggestions people have for a fairly > simple codebase that does this that can be included in these kinds of test > clients (both server and client end, and of course one that protects > against reflection attacks etc). > > iperf3 can be used for this, but from what I can see the iperf3 server > code isn't very friendly to multiple parallel tests or even resilient > against hung clients that doesn't close the test nicely. > > I also considered using WebRTC or VoIP libraries, does anyone know what > RTT/PDV/packet loss data can be extracted from some common ones?
Pete coded up this wonderful tool for UDP-based latency testing; it's even supported in Flent, and available on some (all?) the public-facing servers: https://github.com/heistp/irtt -Toke _______________________________________________ Cerowrt-devel mailing list Cerowrt-devel@lists.bufferbloat.net https://lists.bufferbloat.net/listinfo/cerowrt-devel