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Multicast at global scales is fundamentally broken. Every router on the internet would have to know about every potential peer wanting to join a multicast group
by jwatte 11y ago
Multicast at global scales is fundamentally broken. Every router on the internet would have to know about every potential peer wanting to join a multicast group.
- fanf2 11y agoWide-area multicast is usually one-way, which is much easier: each router only needs to know each which streams are to be fanned out to which of its nearest downstream neighbours, and where to forward upstream multicast group join requests.