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Assorted Rants Tagged ‘multiplayer’, page 2:

Packet Loss for an App-Level Developer. Part II. Last Mile, Wi-Fi, and Summary

Quote: “Burstable packet loss. May be caused by a neighbor preparing his breakfast”
Another Quote: “if there is a NAT device on the way from your Client to your Server – a sudden IP change can occur with absolutely no notification to Client whatsoever.”
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Packet Loss for an App-Level Developer. Part I. Router Failures, BGP Convergence Time, AQM, Traffic Shapers.

Quote: “All the routers, switches (actually – pretty much each and every device which forms Internet infrastructure) – are allowed to drop each and every packet.”
Another Quote: “TCP, when it observes a dropped packet, interprets it as an indication of congestion – and slows down.”
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War on Clones, Part II. Identifying Mobile and Browsers. Social and Payment-Based Identification. Putting it all together.

Quote: “as much as iOS is a device identification nightmare, Android is a device identification paradise.”
Another Quote: “Everybody makes occasional mistakes, cheaters/abusers included.”
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War on Clones, Part I. IP-based (non-)Identification. Identifying PCs and Macs

Quote: “NEVER EVER use IPv4 for long-term bans”
Another Quote: “If using MAC addresses to identify devices, you SHOULD gather stats on repeating MAC addresses within your DB”
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Random Number Generation

Quote: “even if your RNG is statistically perfect, people will still complain 🙁 “
Another Quote: “On modern x86 CPUs, single core can generate 150M+ random bytes/second this way (and this is a Damn Lot).”
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