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I always thought that online media services used multicast protocols, that is, after the initial point to point connection all data packets should be transmitte
by squarefoot 7y ago
I always thought that online media services used multicast protocols, that is, after the initial point to point connection all data packets should be transmitted once, then replicated at router level for every subscribed user. If that's the case, 30 users seems a pretty low number since it would translate into maximum 30 concurrent connections while the generated traffic from the server point of view would be just slightly higher than a single stream for a single user. Or maybe carriers bill multicast traffic differently?
- cnorthwood 7y agoThere's essentially no multicast over the public internet
- rhizome 7y agoThat was the idea once upon a time[1], but it's been dead for ages. 1. https://en.wikipedia.org/wiki/Mbone https://en.wikipedia.org/wiki/Mbone
- detaro 7y agoSome ISP-run and or company/network-internal ones do, but over the public internet there is no infrastructure for that, so the vast majority doesn't do it.
- yusyusyus 7y agofunny enough.. my team probably killed off (one of anyway) the last tier 1 internet multicast deployments over the past few years. Multicast has dataplane resource scaling issues and, frankly, CDN has become the solution to what multicast solves.