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typester id:typester

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TCP Fast Openã‚’è©¦ã—ã¦ã¿ã‚‹ - milieuã®æ—¥è¨˜
kernel3.8ãŒãƒªãƒªãƒ¼ã‚¹ã•ã‚Œã¦ã¤ã„ã«TCP Fast OpenãŒã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆã€ã‚µãƒ¼ãƒã‚µã‚¤ãƒ‰å…±ã«å®Ÿè£…ã•ãŸã€‚ã‚«ãƒ¼ãƒãƒ«ã®ã‚½ãƒ¼ã‚¹ã‚’è¦‹ã¦ã¿ã‚‹ã¨ã‚„ã¯ã‚Šçµæ§‹ãªå¤‰æ›´ã§patchã§2000è¡Œãƒ¬ãƒ™ãƒ«ã‚‰ã—ãã€ã“ã‚Œä»•äº‹ã§å®Ÿè£…ã—ãŸããªã„ãªãƒ¼ã¨ã„ã†ã‹ãƒã‚°ã‚’å‡ºã™è‡ªä¿¡ãŒã‚ã‚‹ã¨ã„ã†ã®ãŒæ£ç›´ãªæ„Ÿæƒ³ã ãŒã€ã¨ã‚Šã‚ãˆãšå‹•ä½œæ¦‚è¦ãã‚‰ã„ã¯çŸ¥ã£ã¦ãŠã‹ãªã„ã¨ã¾ãšã„ã®ã§éŠã‚“ã§ã¿ãŸã€‚TCP Fast Openã®èªè¨¼ï¼Ÿéƒ¨åˆ†ã§AESã‚’ä½¿ã†ã‚‰ã—ãSandy Bridgeãªã‚‰AES-NIã‚’ä½¿ãˆã°CPUè² è·çš„ã«å•é¡Œãªã„ã‹ã¨ã‹èª¿ã¹ãŸã‹ã£ãŸãŒã€å®¶ã§ä½¿ç”¨ã—ã¦ã„ã‚‹PCã¯CPUãŒæ®‹å¿µãªãŒã‚‰Westmereãªã®ã§ãã‚Œã¯è«¦ã‚ãŸã€‚å‹•ã‹ã™ã«ã‚ãŸã‚ŠFedora18ã‚’ç”¨æ„ã—ãªã„ã¨ï¼ã¨æ€ã„ãŸã¡VMç’°å¢ƒã«ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã€‚ãã†ã„ãˆã°Fedora18ãŒãƒªãƒªãƒ¼ã‚¹ã•ã‚ŒãŸå½“åˆã¯VMwareã«ã‚¤ãƒ³ã‚¹ãƒˆãƒ¼ãƒ«ã‚’è©¦ã¿ãŸãŒå¤±æ•—ã—ãŸã¨ã„ã†è‹¦ã„è¨˜æ†¶ãŒè˜‡ãˆã£ãŸãŒã€ä»Šå›žã¯Virtualboxã ã£ãŸãŠã‹ã’
typester 2013/07/22
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linux

network

programming
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Google ã‚°ãƒ«ãƒ¼ãƒ—
Google ã‚°ãƒ«ãƒ¼ãƒ—ã§ã¯ã€ã‚ªãƒ³ãƒ©ã‚¤ãƒ³ ãƒ•ã‚©ãƒ¼ãƒ©ãƒ ã‚„ãƒ¡ãƒ¼ãƒ« ãƒ™ãƒ¼ã‚¹ã®ã‚°ãƒ«ãƒ¼ãƒ—ã‚’ä½œæˆã—ãŸã‚Šã€ã“ã†ã—ãŸãƒ•ã‚©ãƒ¼ãƒ©ãƒ ã‚„ã‚°ãƒ«ãƒ¼ãƒ—ã«å‚åŠ ã—ãŸã‚Šã™ã‚‹ã“ã¨ã§ã€å¤§å‹¢ã®ãƒ¦ãƒ¼ã‚¶ãƒ¼ã¨æƒ…å ±ã®å…±æœ‰ã‚„ãƒ‡ã‚£ã‚¹ã‚«ãƒƒã‚·ãƒ§ãƒ³ã‚’è¡Œã†ã“ã¨ãŒã§ãã¾ã™ã€‚
typester 2013/07/08
[]

golang

network

http

todescribe
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Macã‹ã‚‰NASã¨ã‹Windowsã®å…±æœ‰ãƒ•ã‚©ãƒ«ãƒ€ã¸ã®ã‚¢ã‚¯ã‚»ã‚¹ãŒå¦™ã«é…ã„ã®ã‚’è§£æ±ºã™ã‚‹ - ymknã®æ—¥è¨˜
Macã‚’ä½¿ã„å§‹ã‚ã¦3å¹´æ‚©ã¿ç¶šã‘ã¦ã„ãŸå…±æœ‰ãƒ•ã‚©ãƒ«ãƒ€ä¸Šã®ãƒ•ã‚¡ã‚¤ãƒ«ã‚¢ã‚¯ã‚»ã‚¹ã«æ™‚é–“ãŒã‹ã‹ã‚‹å•é¡ŒãŒè§£æ±ºã™ã‚‹ã¨ããŒæ¥ãŸï¼ sudo sysctl -w net.inet.tcp.delayed_ack=0 å‚è€ƒ : sudo sysctl -w net.inet.tcp.delayed_ack=0 ãªã‚“ã¨ã“ã‚Œã ã‘ã§OKã€‚ã“ã®çž¬é–“ã«ã‚‚ã†ã‚µã‚¯ã‚µã‚¯ã§ã™ã‚ˆã€‚ä¿¡ã˜ã‚‰ã‚Œãªã„ï¼ iTunesã®æ›²é€ã‚Šã‚‚ã€ãƒ—ãƒ¬ãƒ“ãƒ¥ãƒ¼ã§ã®å†™çœŸé–²è¦§ã‚‚ã€å¤§é‡ã«ãƒ•ã‚¡ã‚¤ãƒ«ãŒã‚ã‚‹ãƒ•ã‚©ãƒ«ãƒ€ã¸ã®Finderã‚¢ã‚¯ã‚»ã‚¹ã‚‚ï¼ã€€ã“ã‚Œã§ï¼ã€€ã“ã‚Œã ã‘ã§ï¼ã€€è¶…å¿«é©ã«ï¼ã€€èˆˆå¥®ãŒæ¢ã¾ã‚‰ãªã„ï¼ ã§ã€ã“ã®net.inet.tcp.delayed_ackãªã‚‹ãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿ã‚’èª¿ã¹ã¦ã¿ãŸã‚‰ã€Unixç³»OSã§ã¯çµæ§‹æ˜”ã‹ã‚‰çŸ¥ã‚‰ã‚Œã¦ã„ã‚‹ãƒ‘ãƒ©ãƒ¡ãƒ¼ã‚¿ã¿ãŸã„ã§ã™ãã€‚ä¸‹è¨˜å‚è€ƒã‚µã‚¤ãƒˆã«ã‚ˆã‚Œã°net.inet.tcp.sendspaceã«ã¤ã„ã¦ã‚‚è¨å®šã‚’å¤‰æ›´ã—ãŸæ–¹ãŒè‰¯ã•ãã†ã§ã™ãŒã€ä»Šã®ã¨ã“ã‚ä¸æº€ãŒãªã„
typester 2013/06/19
osx

network

tips
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TCP connection - CRIU
This page describes how we handle established TCP connections. TCP repair mode in kernel[edit] The TCP_REPAIR socket option was added to the kernel 3.5 to help with C/R for TCP sockets. When this option is used, the socket is switched into a special mode, in which any action performed on it does not result in anything defined by an appropriate protocol actions, but rather directly puts the socket
typester 2013/06/18
[]

programming

network

tcp

todescribe
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Beej's Guide to Network Programming
Beej's Guide to Network Programming Using Internet Sockets Brian "Beej Jorgensen" Hall [email protected] Version 3.0.15 July 3, 2012 Copyright Â© 2012 Brian "Beej Jorgensen" Hall Contents 1. Intro 1.1. Audience 1.2. Platform and Compiler 1.3. Official Homepage and Books For Sale 1.4. Note for Solaris/SunOS Programmers 1.5. Note for Windows Programmers 1.6. Em ail Policy 1.7. Mirroring 1.8. Note for Tr
typester 2013/02/19
[]

text

programming

network

todescribe
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Engine Yard Blog
We are proud to be working with our customers while they continue to enjoy our Engine Yard products. Here are some changes we are making
typester 2012/10/15
[]

todescribe

network

optimization
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Admiral
typester 2012/01/30
iphonedev

network
ãƒªãƒ³ã‚¯
ã‚¨ãƒ©ãƒ¼ã®å–æ‰±ã„ã¨å¾©æ—§
http://rubyamqp.info/articles/error_handling/ ã®å’Œè¨³ã€‚è„šæ³¨ã¯è¨³è€…ã«ã‚ˆã‚‹ã€‚ ã‚¨ãƒ©ãƒ¼ã®å–æ‰±ã„ã¨å¾©æ—§ã“ã®ã‚¬ã‚¤ãƒ‰ã«ã¤ã„ã¦é€ä¿¡å´ã§ã‚ã‚Œå—ä¿¡å´ã§ã‚ã‚Œã€å¤šå²ã«æ¸¡ã‚‹ç•°å¸¸ç³»ã‚’ã©ã†ã‚¨ãƒ¬ã‚¬ãƒ³ãƒˆã«æ‰±ã†ã‹ãŒã€AMQPã¨é–¢ã‚ã‚Šã®ã‚ã‚‹ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã‚’é ‘å¥ã«ã—ã¦ã„ãã†ãˆã§ã¯ä¸å¯é¿ã¨è¨€ãˆã¾ã—ã‚‡ã†ã€‚ãƒ—ãƒãƒˆã‚³ãƒ«ã®èª¤ã‚Šã€ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®ä¸èª¿ã€ãƒ–ãƒãƒ¼ã‚«ãƒ¼1ã®ç•°å¸¸ãªã©ãŒæ€ã„æµ®ã‹ã¶ã“ã¨ã§ã—ã‚‡ã†ã€‚ã“ã‚Œã‚‰ã‚’æ£ã—ãå‡¦ç†ã—ã¦ä¸Šæ‰‹ã«æ£å¸¸çŠ¶æ…‹ã«å›žå¾©ã™ã‚‹ã“ã¨ã¯ã€å®¹æ˜“ã§ã¯ãªã„ã§ã—ã‚‡ã†ã€‚ä»¥ä¸‹ã§ã¯ã€amqp gemã‚’ä½¿ã†ã“ã¨ã§ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ãŒ ãƒ–ãƒãƒ¼ã‚«ãƒ¼ã¨ã®æŽ¥ç¶šãŒã§ããªã‹ã£ãŸã¨ããƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ãŒåˆ‡æ–ã•ã‚ŒãŸã¨ãAMQPã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ã«ä¾‹å¤–2ãŒç™ºç”Ÿã—ãŸã¨ãAMQPãƒãƒ£ãƒ³ãƒãƒ«3ã«ä¾‹å¤–ãŒç™ºç”Ÿã—ãŸã¨ããƒ–ãƒãƒ¼ã‚«ãƒ¼ã®ç•°å¸¸ã«éé‡ã—ãŸã¨ãTLS(SSL)é–¢é€£ã®éšœå®³ãŒã‚ã£ãŸã¨ãã®ã‚ˆã†ãªçŠ¶æ³ã‚’ã©ã®ã‚ˆã†ã«åˆ‡ã‚ŠæŠœã‘ã‚‹ã“ã¨ãŒã§ãã‚‹ã‹ã€ã®ã¿
typester 2011/12/21
programming

network

amqp
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1