multicast: multi-player games

  • data loss is tolerable
  • many-to-many messaging — with multiple senders and multiple receivers

https://www.cisco.com/c/en/us/about/press/internet-protocol-journal/back-issues/table-contents-19/reliable-multicast.html says

Collaborative applications such as data conferences (whiteboarding) and network-based games are many-to-many applications with ….

… modest scaling requirements of less than 100 participants.

This kind of application requires low latency of less than 400 millisec.

Transmission does not always need strict reliability; for example, refresh of background information for a network game could wait for the next refresh.

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