this post was submitted on 30 Jun 2025
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There can be an unlimited no. of connections (or peers). Remember the bittorrent days, where you could seed to and download files from many peers simultaneously? You can do the same with data streams, f.ex. video and audio. Try Keet if you want to see a practical example.
We don't need data centres to share files, chat, do video calls, live streaming, etc.
I'm not talking about the technical possibility. Of course you can have multiple video stream, one per participant.
I'm saying that without multicast, it can be more resource intensive than having intermediate servers that can multicast on the application layer.