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suikyo 2012/06/14
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TechCrunch | Startup and Technology News
Hi, lovely people, and welcome to Week in Review (WiR), TechCrunchâ€™s regular newsletter that highlights the top news in tech over the past week (or so).Â If you havenâ€™t already, sign up he
suikyo 2012/06/14
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[Network] hbstudy ã•ãã‚‰ã®ã‚¯ãƒ©ã‚¦ãƒ‰ ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®ä»®æƒ³åŒ–ã®è¨è¨ˆã¨å®Ÿè£…ã€€ã¨ã‚‚ã¡ã‚ƒæ—¥è¨˜ - å…ƒå¤§å¦ç”Ÿã®æ‚ªé”^H^Hé”ç¥žï¼¯ï¼¬æ—¥è¨˜-
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suikyo 2012/06/05
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suikyo 2010/03/31
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suikyo 2010/03/11
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2.10. SCTPã®ç‰¹å¾´
2.10. SCTPã®ç‰¹å¾´Stream Control Transmission Protocol (SCTP) ã¯ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯æˆ¦ç·šã§ã¯ã¾ã æ–°é¡”ã®éƒ¨é¡žã«å…¥ã‚‹ãƒ—ãƒãƒˆã‚³ãƒ«ã ãŒã€åˆ©ç”¨ã•ã‚Œã‚‹å ´é¢ã¯æ—¥ã«æ—¥ã«åºƒãŒã‚Šã¤ã¤ã‚ã‚Š TCP ãŠã‚ˆã³ UDP ãƒ—ãƒãƒˆã‚³ãƒ«ã®å¼±ç‚¹ã‚’æ”¹å–„ã™ã‚‹ã‚‚ã®ã§ã‚‚ã‚ã‚‹ãŸã‚ã€ã“ã†ã—ã¦ã‚»ã‚¯ã‚·ãƒ§ãƒ³ã‚’è¨ã‘ã¦è§£èª¬ã™ã‚‹ã“ã¨ã«ã—ãŸã€‚ SCTP ã¯ TCP ã«ã‚‚å‹ã‚‹é«˜ä¿¡é ¼æ€§ã‚’å‚™ãˆã€ãªãŠä¸”ã¤ã€ãƒ—ãƒãƒˆã‚³ãƒ«ãƒ˜ãƒƒãƒ€ã®é€ ã‚Šã‹ã‚‰ã€ã‚ªãƒ¼ãƒãƒ¼ãƒ˜ãƒƒãƒ‰ãŒä½ŽãæŠ‘ãˆã‚‰ã‚Œã¦ã„ã‚‹ã€‚ SCTP ã«ã¯éžå¸¸ã«èˆˆå‘³æ·±ã„ç‰¹é•·ãŒã„ãã¤ã‹ã‚ã‚‹ã€‚ã“ã®ãƒ—ãƒãƒˆã‚³ãƒ«ã«ã¤ã„ã¦ã‚ˆã‚Šè©³ã—ãçŸ¥ã‚ŠãŸã„äººã¯ã€RFC 3286 - An Introduction to the Stream Control Transmission Protocol ã¨ RFC 2960 - Stream Control Transmission Protocol ã‚’èªã‚“ã§ã„ãŸã
suikyo 2010/01/21
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Stream Control Transmission Protocol - Wikipedia
Stream Control Transmission Protocolï¼ˆã‚¹ãƒˆãƒªãƒ¼ãƒ åˆ¶å¾¡ä¼é€ãƒ—ãƒãƒˆã‚³ãƒ«ã€ã‚¹ãƒˆãƒªãƒ¼ãƒ ã‚³ãƒ³ãƒˆãƒãƒ¼ãƒ« ãƒˆãƒ©ãƒ³ã‚¹ãƒŸãƒƒã‚·ãƒ§ãƒ³ ãƒ—ãƒãƒˆã‚³ãƒ«ã€SCTPï¼‰ã¯ã€2000å¹´ã«SIGTRAN ãƒ¯ãƒ¼ã‚ãƒ³ã‚°ã‚°ãƒ«ãƒ¼ãƒ—ã«ã‚ˆã£ã¦å®šç¾©ã•ã‚ŒãŸãƒˆãƒ©ãƒ³ã‚¹ãƒãƒ¼ãƒˆå±¤ã®ãƒ—ãƒãƒˆã‚³ãƒ«ã§ã‚ã‚‹ã€‚ RFCÂ 4960 - Stream Control Transmission Protocol RFCÂ 3286 - å°Žå…¥ãƒ†ã‚ã‚¹ãƒˆ è¼»è¼³åˆ¶å¾¡ã‚’è¡Œã„ã€åˆ°ç€é †åºã‚’ä¿è¨¼ã™ã‚‹ä¿¡é ¼æ€§ã®ã‚ã‚‹ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸è»¢é€ã‚’è¡Œã†ã¨ã„ã†ç‚¹ã§ã€åŒã˜å±¤ã®ãƒ—ãƒãƒˆã‚³ãƒ«ã§ã‚ã‚‹TCPã¨åŒæ§˜ã®ã‚µãƒ¼ãƒ“ã‚¹ã‚’æä¾›ã™ã‚‹ã€‚TCP ã¯ãƒã‚¤ãƒˆ (byte) æŒ‡å‘ã§ã‚ã‚Šã€SCTP ã¯ãƒ•ãƒ¬ãƒ¼ãƒ ãƒ»ãƒ¡ãƒƒã‚»ãƒ¼ã‚¸ã®ã‚„ã‚Šå–ã‚Šã§ã‚ã‚‹ã€‚ SCTPã®åˆ©ç‚¹ã¯ä»¥ä¸‹ã®é€šã‚Šã€‚ ãƒžãƒ«ãƒãƒ»ãƒ›ãƒ¼ãƒŸãƒ³ã‚°ã®ã‚µãƒãƒ¼ãƒˆã€‚ã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ã®ã‚¨ãƒ³ãƒ‰ãƒã‚¤ãƒ³ãƒˆã¯è¤‡æ•°ã®IPã‚¢ãƒ‰ãƒ¬ã‚¹ã‚’æŒã¤ã“ã¨ãŒã§ãã€ãƒ›ã‚¹ãƒˆã‚„ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ãƒ»ã‚«ãƒ¼ãƒ‰ã®éšœ
suikyo 2010/01/21
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suikyo 2009/04/02
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suikyo 2009/02/25
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suikyo 2008/09/25
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DCIA : P4P Working Group (P4PWG)ãŒå…¬é–‹ã—ã¦ã„ã‚‹ã€ŒP4P: Explicit Communications for Cooperative Control Between P2P and Network Providersã€ã¨ã„ã†è«–æ–‡ã‚’èªã¿ã¾ã—ãŸã€‚ ISPãŒP2Pã«å”åŠ›ã™ã‚‹ã“ã¨ã«ã‚ˆã£ã¦ã€ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã«å¯¾ã™ã‚‹è² è·ã‚’å¤§å¹…ã«è»½æ¸›ã§ãã‚‹ã¨ã„ã†å†…å®¹ã§ã™ã€‚ ã‚¢ãƒ¡ãƒªã‚«ã®P2Pã¯ã€ä»Šå¾ŒISPã¨å”åŠ›é–¢ä¿‚ã‚’æ§‹ç¯‰ã—ã¦ã„ãã®ã‹ã‚‚çŸ¥ã‚Œãªã„ã¨æ€ãˆã‚‹è«–æ–‡ã§ã—ãŸã€‚ P4P WG ã“ã®è«–æ–‡ã‚’ä½œæˆã—ãŸP4PæŠ€è¡“ãƒ¯ãƒ¼ã‚ãƒ³ã‚°ã‚°ãƒ«ãƒ¼ãƒ—ã«ã¯ã€çµæ§‹è±ªè¯ãªãƒ¡ãƒ³ãƒãƒ¼ã«ã‚ˆã£ã¦æ§‹æˆã•ã‚Œã¦ã„ã¾ã™ã€‚ P4Pã®è«–æ–‡ãŒè©±é¡Œã«ãªã£ã¦ã„ã‚‹ã®ã¯ã€ç™ºè¡¨ã—ãŸãƒ¡ãƒ³ãƒãƒ¼ãŒè±ªè¯ã§ã€å®Ÿéš›ã«å®Ÿç¾(æŽ¡ç”¨/ãƒ‡ãƒ—ãƒã‚¤)ã•ã‚Œã¦ã„ãæŠ€è¡“ãªã®ã§ã¯ãªã„ã‹ã¨æ€ãˆã‚‹ã‹ã‚‰ã‹ã‚‚çŸ¥ã‚Œã¾ã›ã‚“ã€‚ ä»¥ä¸‹ã€DCIA(Distributed Computing Indust
suikyo 2008/04/30
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suikyo 2007/07/31
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The C10K problem
[Help save the best Linux news source on the web -- subscribe to Linux Weekly News!] It's time for web servers to handle ten thousand clients simultaneously, don't you think? After all, the web is a big place now. And computers are big, too. You can buy a 1000MHz machine with 2 gigabytes of RAM and an 1000Mbit/sec Ethernet card for $1200 or so. Let's see - at 20000 clients, that's 50KHz, 100Kbytes
suikyo 2005/09/09
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