then there is the "it doesnt work" kid whos the same kid that always is sick. reality is he just doesnt want to go to class
On Wed, Sep 2, 2020 at 2:00 PM Ken Hohhof <af...@kwisp.com> wrote: > In theory the upstream bandwidth could be a problem, because Zoom says > they need a little over 1 Mbps both directions. > > > > What I’ve actually seen is adults working from home typically have a > steady 1M symmetric during a video conference. School kids on the other > hand are all over the map. The traffic isn’t constant, and the upstream > seems a lot less. I think it may depend on how they have it set up, like > do you see the whole class in thumbnails. And the upstream may only go to > a big number when the teacher calls on that student? > > > > One thing’s for sure, you get a house with WiFi coverage issues and a > whole bunch of Zoomers, and they’re going to be calling and bugging the > crap out of us. It’s similar to gamers who call saying things like it’s > freezing or lagging or there’s audio but no video or one kid is fine but > the other can’t get on. And it’s an existential crisis that has to be > fixed right now this nanosecond and you hear the kids yelling at the mom in > the background. Some problems are people on the lowest speed plan with > insufficient upstream, but others I’m not sure what their problem is. One > is saying only one of their kids can Zoom but their neighbor on our service > and the same speed plan has 4 Zooming no problem. Does that mean they go > to the same school, are in the same grade, have the same teacher? Probably > not. And could it be WiFi issues? Probably. > > > > *From:* AF <af-boun...@af.afmug.com> *On Behalf Of *Steve Jones > *Sent:* Wednesday, September 2, 2020 1:41 PM > *To:* AnimalFarm Microwave Users Group <af@af.afmug.com> > *Subject:* Re: [AFMUG] Zoom QoS > > > > we have one house with 5 remote learners, other than when theres a file > getting uploaded, even on a small connection the mother ive been > communicating with has said its been working flawlessly. is zoom related to > skype in its back end? > > > > On Wed, Sep 2, 2020 at 1:33 PM Adam Moffett <dmmoff...@gmail.com> wrote: > > Porn isn't zoom.....at least not yet. Maybe that's the next new normal. > > Netflix also isn't zoom. > > So if 5 kids using Zoom on a 3mbps connection is the problem then what you > say is true. If it's 1 or 2 kids competing with other households' Netflix > and Chill then QoS can address that. > > > > On 9/2/2020 2:19 PM, Ken Hohhof wrote: > > If everything is Zoom, and you prioritize Zoom, you prioritize > everything. It’s like everyone is a winner, but if nobody loses, what’s > the point? > > > > I have observed that Zoom seems to use a little bit of TCP presumably a > control channel and mostly UDP I think it’s on something like port 8801. > Not sure if you have 3 or 4 students in the same house and maybe 1 or 2 > adults all Zooming, if additional ports get used, kind of like VoIP using > 5060, 5061, 5062, etc. > > > > *From:* AF <af-boun...@af.afmug.com> <af-boun...@af.afmug.com> *On Behalf > Of *Adam Moffett > *Sent:* Wednesday, September 2, 2020 12:25 PM > *To:* af@af.afmug.com > *Subject:* Re: [AFMUG] Zoom QoS > > > > Apparently they already set DSCP values to 56 for the audio and 40 for the > video. > > Trusting DSCP from the Internet carries other dangers though (like Apple > thinks iPhone software updates need expedited forwarding). > > > > On 9/2/2020 1:18 PM, Steve Jones wrote: > > zoom and google classroom are surprisingly resilient on their own. i > dont know if its a school setting, or a default, but it seems it auto > scales. I would actually be concerned about prioritizing it causing it to > ramp up resolutions, etc and cause more net demand. unless maybe find the > absolute minimum requirements and QOS that as the min > > > > On Wed, Sep 2, 2020 at 12:04 PM Adam Moffett <dmmoff...@gmail.com> wrote: > > Is the a simple way to classify Zoom traffic for prioritizing it? Like > a layer7 match or matching a certain IP block. > > School is restarting soon (online) and I'm thinking this might be a hot > item. > > -Adam > > > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > > > > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com > > -- > AF mailing list > AF@af.afmug.com > http://af.afmug.com/mailman/listinfo/af_af.afmug.com >
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