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MarkStewart

Internet communication between game instances

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Back in the 1990s, many computer games had the ability to connect with other players for "multiplayer" (usually, though this meant only 2 players) games via an internet connection. I don't think there was a server acting as middleman. What are some current approaches to such a functionality? What about port security?

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Eh? Same as it was then (and now really). One machine hosts, the other enters an IP/port. People connect in to the machine hosting the game (and also running a client) and play.

But that means that the host machine needs to be extra beefy to handle the server and client at the same time, so is mostly not done. And the proliferation of NATing or just bitchy ISPs prevents a lot of people from just clicking a button to host a game (and thus thinking the game sucks).

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