[Freeswitch-dev] testers wanted for low latency voip/video conferencing qdisc
Dear Freeswitch folk: It is generally my hope that many of you have been using things like fq_codel (now the default in fedora, and many other linux derived OSes) and qos systems like the "sqm"[1] system now in openwrt, and streamboost, etc in order to improve voip and videoconferencing behavior along the edge, and beat bufferbloat. For the past 3 years we have been working on a successor to fq_codel, called "cake" - which among many other improvements like 8way set associative hashing, and less cpu use, also obeys what we know of the defined diffserv markings for voip and video conferencing - not that we think they are widely used as yet. We are finally at the point where cake can be tested more widely with an out of tree kernel module, and patches to tc. A complete technical description of cake, links the github repos, and how to install are at: http://www.bufferbloat.net/projects/codel/wiki/CakeTechnical And we hope to submit to kernel mainline after more testing gets done. We have many tests (see flent.org for the flent tool) for voip but we have yet to develop good ones for videoconferencing, and in addition to any testing of cake you can do, I would love to know how we too can add tests for that to our test suites. I had a chance last friday to come on the vuc show and talk about fq_codel, cake, bloat, etc on the latter half, and the first half was dominated by our controversial proposal to fix the edge of the internet. - but my heart is in seeing the technical fixes for better voip and videoconferencing get more widely used so we can finally deploy them! https://www.youtube.com/watch?v=yGYZ83nq4Js http://www.businesswire.com/news/home/20151014005564/en (for the letter we were talking about) And my group of bufferbloat folk plan to be on the cluecon show nov 18th. More freeswitch data to toss around - logs - packet captures - empirical evidence - anything would be great to have before then. TIA. [1] http://wiki.openwrt.org/doc/howto/sqm -- Dave Täht Do you want faster, better, wifi? https://www.patreon.com/dtaht
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Dave Taht