BitTorrentのようなP2Pライブ配信プロトコルはなぜ存在しないのか？

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People have tried to build BitTorrent clients to do this. As far as I know they never took off. The primary problem is you oftentimes don't get people who want to share back or who have firewalls or other connections that don't allow them to share back. So you end up with a few people who end up seeding everything out. The second problem is in order to watch a streaming protocol things need to arrive in order. It is totally possible to do with BitTorrent and request the blocks in the order that you want but you may not always be able to get them in the order you want. In general people aren't

what about having something reasonable for lag, like 30-60 seconds would that make a big difference or you think it would just eventually degrade too? Also do you think there's any way you can prioritize seeders in such a protocol? like some kind of algorithm that the more you share the more you're prioritized in getting the most up to date packets. The main reason I would think it would be useful is 1. since streaming sites seem to lose a lot of money and 2. sports streams are really bad, even paid ones. I have dazn and two other sports streaming services and they still lag and are only 720p

With sports streams you specifically want low lag, don’t you? It’s no fun being spoilered by people cheering (or not) next door.