Glenn's articles are also well received and go in fact into much more detail, with code examples of various pieces of infrastructure. He's been writing them based on patreon donations for a while now: https://www.patreon.com/gafferongames

This one is just a frustrated vent at people who don't understand the difference between TCP/UDP, don't make the effort to learn about it, but feel the need to espouse about it.

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As an aside: floodyberry, you've been hell-banned for a few years now. Might wanna mail the mods.