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Assorted Rants Tagged ‘multiplayer’, page 5:

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

posted January 24, 2017 by "No Bugs" Hare

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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posted January 16, 2017 by "No Bugs" Hare

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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posted July 18, 2016 by "No Bugs" Hare

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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posted July 11, 2016 by "No Bugs" Hare

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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posted June 27, 2016 by "No Bugs" Hare

Quote:	“I STRONGLY recommend to provide an option for your players to use 3rd-party “social logins””
Another Quote:	“you can be sure that as soon as your game is alive and kicking – you’ll need to implement password recovery for your players.”
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posted June 21, 2016 by "No Bugs" Hare

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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posted June 13, 2016 by "No Bugs" Hare

Quote:	“full queues SHOULD NOT happen during normal operation”
Another Quote:	“With queues-implemented-over-mutexes like the ones we’ve written above, the most annoying thing performance-wise is that there is a chance that the OS’s scheduler can force the preemptive context switch right when the thread-being-preempted-is-owning-our-mutex.”
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