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Assorted Rants Tagged ‘TCP’, page 1:

(Almost-)Zero-Additional-Latency UDP-over-TCP

posted March 21, 2017 by "No Bugs" Hare

Quote:	“we realize that for some of the Clients – UDP just doesn’t work because of some weird firewall between Client and Server”
Another Quote:	“there is nothing to block us (so head-of-line blocking doesn’t apply)”
	[→]

posted March 14, 2017 by "No Bugs" Hare

Quote:	“Nagle’s algorithm aims to deal with those [CENSORED] developers who’re trying to send data over TCP in really small chunks (like 1 byte each time)”
Another Quote:	“it seems that “proportional rate reduction” (PRR, reportedly used by Linux kernels by default starting from 3.2) performs for gaming purposes a little bit better than the alternatives”
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posted March 7, 2017 by "No Bugs" Hare

Quote:	“the best we can hope when using a single TCP connection over 5%-loss channel – is having 1.5-second “lag spike” every 5 or so minutes, and a 3-second “lag spike” every 2 hours.”
Another Quote:	“we may already have the-information-we-need on the receiving host – but this information is hidden from us by layers of abstraction on receiving side”
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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 May 2, 2016 by "No Bugs" Hare

Quote:	“TCP is a byte stream, the whole byte stream and nothing but the byte stream”
Another Quote:	“if all packets reach Client, there isn’t that much difference between TCP and UDP”
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Pages: 1 2

posted March 21, 2016 by "No Bugs" Hare

Abstract:	The choice of TCP over UDP (or vice versa) might not always be obvious. In a sense, replacing TCP with UDP is trading off reliability for interactivity.
Quote:	“The most critical factor in selection of TCP over UDP or vice versa is usually related to acceptable delays”
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posted September 14, 2015 by "Sergeant Major" Hare

Abstract:	Delayed-Message Attacks can Represent a Real Threat if Left Unchecked
Quote:	“Prevention/mitigation of the Attack is easy, but it needs to be taken into account at the application level.”
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