Re: [Cerowrt-devel] [Cake] mo bettah open source multi-party videoconferncing in an age of bloated uplinks?

2020-03-30 Thread Toke Høiland-Jørgensen
"David P. Reed" writes: > Regarding EDF. > > I've been pushing folks to move latency sensitive computing in ALL OS's to a > version of EDF since about 1976. This was when I was in grad school working > on distributed computing on LANs. In fact, it is where I got the idea for my > Ph.D. thesis

Re: [Cerowrt-devel] [Cake] mo bettah open source multi-party videoconferncing in an age of bloated uplinks?

2020-03-30 Thread Toke Høiland-Jørgensen
Dave Taht writes: >> So: 1. We really should rethink how timing-sensitive algorithms are >> expressed, and it isn't gonna be good to base them on semaphores and >> threads that run at random rates. That means a very different OS >> conceptual framework. Can this share with, say, the Linux we know

Re: [Cerowrt-devel] [Cake] mo bettah open source multi-party videoconferncing in an age of bloated uplinks?

2020-03-28 Thread David P. Reed
Regarding EDF. I've been pushing folks to move latency sensitive computing in ALL OS's to a version of EDF since about 1976. This was when I was in grad school working on distributed computing on LANs. In fact, it is where I got the idea for my Ph.D. thesis (completed in 1978) which pointed out

Re: [Cerowrt-devel] [Cake] mo bettah open source multi-party videoconferncing in an age of bloated uplinks?

2020-03-27 Thread Dave Taht
I don't know to what extent the freeswitch guys would be interested in this thread. I'd like find a good list or forum to talk about the state of the art in videoconferencing ? , the ietf rmcat and webrtc lists are mostly dead. hangouts, jitsi, zoom, etc, seem to be pretty good products nowadays (a

Re: [Cerowrt-devel] [Cake] mo bettah open source multi-party videoconferncing in an age of bloated uplinks?

2020-03-27 Thread Dave Taht
Of interest given some of what you say below, there is a huge discussion on netdev about how to best implement hardware offloads for network slicing: https://www.spinics.net/lists/netdev/msg638836.html Me, I always rolled my eyes up at all the network virtualization stuff and ran from the room, s

Re: [Cerowrt-devel] [Cake] mo bettah open source multi-party videoconferncing in an age of bloated uplinks?

2020-03-27 Thread David Lang
On Fri, 27 Mar 2020, David P. Reed wrote: Congestion control for real-time video is quite different than for streaming. Streaming really is dealt with by a big enough (multi-second) buffering, and can in principle work great over TCP (if debloated). UDP congestion control MUST be end-to-end

Re: [Cerowrt-devel] [Cake] mo bettah open source multi-party videoconferncing in an age of bloated uplinks?

2020-03-27 Thread David P. Reed
Congestion control for real-time video is quite different than for streaming. Streaming really is dealt with by a big enough (multi-second) buffering, and can in principle work great over TCP (if debloated). UDP congestion control MUST be end-to-end and done in the application layer, which is u