Virtual Classroom Software Resources

This is not a problem that I have observed. So I decided to see if I can observe the bandwidth consumption. The OP states that Zoom consumes lots of data in the background, this is of course a rather subjective statement. And it is without context. Generally, there are three different ways that I am able to use Zoom and each uses a different level of bandwidth. The Zoom app on my cell phone seems to consume the least. The Zoom browser interface is an intermediate user, the Zoom desktop app seems to use the greatest bandwidth. I prefer the Zoom desktop app as I am able to place the speaker view on one screen, the audience view on another, and participants UI screen on another, and have either Cherrytree or other references on the fourth screen. If the audience is large, it does seem to consume a rather high bandwidth on our 1 Gbps Internet connection but not so bad that we have had problems even with multiple users. Now please consider, during a 1:1 meeting I am using almost 2 GB/hr, and adding more to the group increases this number to 3 GB/hr. Worse it is almost equal for upload and download so it may be easy to saturate your upload channels which for many ISPs are only 10% of the download channels. This brings me to 3 specific things you might do to reduce bandwidth significantly. * In video setting, Disable HD * If you are not the speaker, it is polite to mute yourself, but if you also Stop Video for yourself, you greatly reduce your critical upload bandwidth. * Share Screen is a wonderful desktop app sharing tool for teaching programmers but it sucks so much bandwidth, please consider if you might use an interactive shared document for collaboration to achieve the same purpose, the transient time will be greater and responsiveness slower, but generally it is not going to be significant during a human discourse and bandwidth is now reduced only to essential changes almost in real-time. * If you do use screen share, turn it off promptly. * If you record the meeting, do not record it locally but record it directly to cloud storage.

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I think it’s a combo effect of different things: Zoom consumption on your computer and WiFi usage (yours and potential neighbors). Remembering to make sure you closed out Zoom completely at the end of your sessions.

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