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gologo13 id:gologo13

tcpã«é–¢ã™ã‚‹gologo13ã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (5)

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mTCPä½¿ã£ã¦ã¿ãŸ
mTCP enables high-performance userspace TCP/IP stacks by bypassing the kernel and reducing system call overhead. It was shown to achieve up to 25x higher throughput than Linux for short flows. The document discusses porting the iperf benchmark to use mTCP, which required only minor changes. Performance tests found that mTCP-ified iperf achieved similar throughput as Linux iperf for different packe
gologo13 2015/01/01
linux

network

TCP

performance
ãƒªãƒ³ã‚¯
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gologo13 2013/11/29
linux

TCP

CentOS
ãƒªãƒ³ã‚¯
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gologo13 2013/01/30
èˆˆå‘³æ·±ã„ã€‚

network

tcp

protocol
ãƒªãƒ³ã‚¯
TCP/IPã¾ã‚‹ã‚ã‹ã‚Š
TCP/IPã¯ã‚¤ãƒ³ã‚¿ãƒ¼ãƒãƒƒãƒˆã‚„LANã§æ¨™æº–çš„ã«ä½¿ã‚ã‚Œã‚‹ãƒ—ãƒãƒˆã‚³ãƒ«ç¾¤ã ã€‚æœ¬é€£è¼‰ã§ã¯ã€ã“ã®TCP/IPã®æ´å²ã‹ã‚‰IPã€TCPã®ä»•çµ„ã¿ã¾ã§ã‚’ã¿ã£ã¡ã‚Šå‹‰å¼·ã—ã¦ã„ãã“ã¨ã«ã™ã‚‹ã€‚ 2009å¹´08æœˆ10æ—¥ 09æ™‚00åˆ† ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ TCP/IPã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®ä»•çµ„ã¿ã‚’çŸ¥ã‚ã† ç¬¬8å›ž HTTPã€FTPã€SMTPã€SIPã¯ã©ã†å‹•ãã®ï¼Ÿ TCP/IPã®ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã¯ã€ãã®å¤šããŒTCPã‚’ç”¨ã„ã¦ã‚³ãƒã‚¯ã‚·ãƒ§ãƒ³ã‚’å¼µã‚Šã€ãã®ä¸Šã§ã‚³ãƒžãƒ³ãƒ‰ï¼ˆãƒ¡ã‚½ãƒƒãƒ‰ï¼‰ã‚„ãƒ‡ãƒ¼ã‚¿ã‚’ã‚„ã‚Šå–ã‚Šã—ã¦å‹•ä½œã™ã‚‹ã€‚ã“ã“ã§ã¯ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®ã†ã¡ä»£è¡¨çš„ãªã‚‚ã®ã‚’4ã¤é¸ã³ã€ãã®ä»•çµ„ã¿ã‚’ã”ãç°¡å˜ã«ç´¹ä»‹ã™ã‚‹ã“ã¨ã«ã—ã‚ˆã†ã€‚ 2009å¹´08æœˆ03æ—¥ 09æ™‚00åˆ† ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®æµé‡ã‚’èª¿æ•´ã™ã‚‹æ‰‹æ³•ã‚’ç†è§£ã—ã‚ˆã† ç¬¬7å›ž å¸¯åŸŸã‚’åŠ¹çŽ‡çš„ã«åˆ©ç”¨ã™ã‚‹TCPã®ä»•çµ„ã¿ã¨ã¯ï¼Ÿ TCP/IPã‚’ä½¿ã£ã¦ãƒ‡ãƒ¼ã‚¿ã‚’æ£ç¢ºã«è»¢é€ã™ã‚‹ã«ã¯ã€é€šä¿¡ã‚¨ãƒ©ãƒ¼ã®æ¤œå‡ºã¨å›žå¾©ã®æ©Ÿèƒ½ã®ã»ã‹ã«ã€æµ
gologo13 2012/10/20
tcp

protocol

network
ãƒªãƒ³ã‚¯
TCPã®æ¦‚è¦
TCPã¯ç†è«–ã¨ã—ã¦ã¯éžå¸¸ã«è¤‡é›‘ã§ã™ãŒã€ã“ã®ã‚ãŸã‚Šã®çŸ¥è˜ã¯ ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®è¨å®šãªã©ã‚’ã‚„ã‚‹ç¨‹åº¦ã§ã¯ã¯ã£ãã‚Šã„ã£ã¦ã»ã¨ã‚“ã© ä¸è¦ã ã¨æ€ã„ã¾ã™ã€‚ã¾ã‚ã€çŸ¥ã£ã¦ã„ã‚‹ã«è¶Šã—ãŸã“ã¨ã¯ãªã„ã®ã§ã™ãŒã€‚ å¼·ã„ã¦è¨€ãˆã°ã€ä»¥ä¸‹ã®å ´åˆã«ã¯å¿…è¦ã¨ãªã‚‹ã§ã—ã‚‡ã†ã€‚ ã‚¢ãƒ—ãƒªã‚±ãƒ¼ã‚·ãƒ§ãƒ³ã®ãƒ‘ã‚±ãƒƒãƒˆãƒ¬ãƒ™ãƒ«ã®ãƒ‡ãƒãƒƒã‚°ã‚’ã™ã‚‹å ´åˆã€‚ å…·ä½“çš„ã«ã¯ã€tcpdump ã®å‡ºåŠ›ã‚’è§£æžã—ãŸã‚Šã™ã‚‹å ´åˆã€‚ ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ã®éšœå®³èª¿æŸ»ã‚’è¡Œã†å ´åˆ ãƒ•ã‚¡ã‚¤ã‚¢ãƒ¼ã‚¦ã‚©ãƒ¼ãƒ«ã®è¨å®šã‚’ã™ã‚‹å ´åˆ ã‚‚ã£ã¨ã‚‚ã€ã“ã®ãƒ¬ãƒ™ãƒ«ã«ãªã‚‹ã¨UNIXè‡ªä½“ã®çŸ¥è˜ã‚‚å¿…è¦æ¡ä»¶ã« ãªã£ã¦ãã‚‹ã¨æ€ã„ã¾ã™ã€‚ã‚ã€ãƒ•ã‚¡ã‚¤ã‚¢ãƒ¼ã‚¦ã‚©ãƒ¼ãƒ«ã¯ Windows NT ã§å‹•ãã‚„ã¤ã®æ–¹ãŒå¤šã„ã‹ãªï¼Ÿã¨ã„ã†ã“ã¨ãªã®ã§ã€ãã“ã¾ã§ã¯ ã„ã‚‰ãªã„ã¨ã„ã†æ–¹ã¯é©å½“ã«èªã¿é£›ã°ã—ã¦ãã ã•ã„ã€‚ TCP ã®ç‰¹å¾´ TCPã¨UDPã®ã€ãƒ¦ãƒ¼ã‚¶å´ã‹ã‚‰è¦‹ãŸåŸºæœ¬çš„ãªé•ã„ã‚’ä»¥ä¸‹ã«ç¤ºã—ã¾ã™ã€‚ TCPã¨UDPã®é•ã„ UDPTCP æŽ¥ç¶šå½¢æ…‹
gologo13 2012/10/20
tcp

network
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1