I was thinking most people nowaday have at least 30mbps upload and a 1080p stream only needs ~10mbps and 720p needs ~5ish. Also i think it wouldnt have to be live, people would definitely not mind some amount of lag. I was thinking the big O for packets propagating out in the network should be Log(N) since if a master is sharing the content then is connected to 10 slaves, then those connected to 10 other slaves and so on.

The other limitation I could think of is prioritizing who gets the packets first since there's a lot of people with 1gbs connections or >10mbps connections. Also deprioritizing leechers to keep it from degrading the stream.

Does anyone have knowledge on why it isn't a thing still though? it's super easy to find streams on websites but they're all 360p or barely load. I saw the original creator of bittorrent was creating something like this over 10 years ago and seems to be a dead project. Also this is ignoring the huge time commitment it would take to program something like this. I want to know if this is technically possible to have streams of lets say 100,000 people and why or why not.

Just some thoughts, thanks in advance!