[B! loadbalancer] bigwestã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

bigwest id:bigwest

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nginxã«ã‚ˆã‚‹TCPãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µãƒ¼ | ãƒ¡ãƒ«ã‚«ãƒªã‚¨ãƒ³ã‚¸ãƒ‹ã‚¢ãƒªãƒ³ã‚°
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bigwest 2016/08/18
nginx

loadbalancer
ãƒªãƒ³ã‚¯
Keepalivedã«ã‚ˆã‚‹ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µLVSæ§‹ç¯‰ - RLB
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bigwest 2014/03/09
LVS

keepalived

linux

loadbalancer
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bigwest 2010/03/11
xen

VMware

loadbalancer
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bigwest 2009/12/30
loadbalancer

server
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ã€Œã“ã‚“ãªã«ç°¡å˜ï¼ Linuxã§ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã€ã®ã‚·ãƒªãƒ¼ã‚ºã§ã¯ã€ ã“ã‚“ãªã«ç°¡å˜ï¼ Linuxã§ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µ (1) ã€œ LVS + NATã§è² è·åˆ†æ•£ã‚’ã—ã¦ã¿ã‚ˆã† ã“ã‚“ãªã«ç°¡å˜ï¼ Linuxã§ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µ (2) ã€œ keepalivedã§Webã‚µãƒ¼ãƒã®ãƒ˜ãƒ«ã‚¹ãƒã‚§ãƒƒã‚¯ ã“ã‚“ãªã«ç°¡å˜ï¼ Linuxã§ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µ (3) ã€œ VRRPã§ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã‚’ç„¡åœæ¢ã«ã™ã‚‹ ã“ã‚“ãªæµã‚Œã§NATã«ã‚ˆã‚‹è² è·åˆ†æ•£ã‚·ã‚¹ãƒ†ãƒ ã‚’æ§‹ç¯‰ã—ã¦ãã¾ã—ãŸã€‚ ä»Šå›žã¯ã“ã‚Œã‚’ DSR(Direct Server Return) æ–¹å¼ã«å¤‰æ›´ã—ã¦ã¿ã¾ã™ã€‚ ã€ŒDSRã¨ã¯ãªã‚“ãžã‚„ï¼Ÿã€ã¨ã„ã†æ–¹ã¯ã€ ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã®é‹ç”¨.DSRã£ã¦çŸ¥ã£ã¦ã¾ã™ã‹? L4ã‚¹ã‚¤ãƒƒãƒã¯DSRæ§‹æˆã«ã™ã¹ã— ã“ã¡ã‚‰ã§ã‚ã‹ã‚Šã‚„ã™ãèª¬æ˜Žã•ã‚Œã¦ã„ã¾ã™ã®ã§å‚è€ƒã«ã—ã¦ã¿ã¦ãã ã•ã„ã€‚ ä¸€èˆ¬çš„(?)ã«å¤§è¦æ¨¡ã‚·ã‚¹ãƒ†ãƒ ã‚’æ§‹ç¯‰ã™ã‚‹å ´åˆã¯ã€ã€Œãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯æ©Ÿå™¨ã®æ•´å‚™ã¯ã“ã®éƒ¨é–€ã€ã€ã€Œã‚µãƒ¼ãƒã®èª¿
bigwest 2009/11/10
Linux

LVS

loadbalancer
ãƒªãƒ³ã‚¯
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Linuxã§LVSã‚’åˆ©ç”¨ã—ã¦ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µã‚’æ§‹ç¯‰ã—ã¦ã„ã¾ã™ã€‚ æ§‹æˆ1ï¼š LB[keepalived(192.168.1.1)]ä»®æƒ³(192.168.0.3) A[Apache(192.168.0.1)] B[Apache(192.168.0.2)] æ§‹æˆ2ï¼š A[Apache+keepalived(192.168.0.1)]ä»®æƒ³(192.168.0.3) B[Apache(192.168.0.2)] DSASã®ãƒšãƒ¼ã‚¸ãªã©ã‚’å‚è€ƒã«ã—ã¦ã„ã‚‹ã®ã§ã™ãŒã€æ§‹æˆ1ã®3å°æ§‹æˆNATã§ã‚ã‚Œã°å•é¡Œãªãå‹•ãã¾ã™ã€‚ã—ã‹ã—æ§‹æˆ2ã®åŒä¸€ã‚»ã‚°ãƒ¡ãƒ³ãƒˆã§ã‚µãƒ¼ãƒãã®ã‚‚ã®ã«ä»®æƒ³ã‚’æŒãŸã›ã‚‹ã¨ã†ã¾ãã„ãã¾ã›ã‚“ã€‚ã©ã†ã‚‚AãŒä»®æƒ³ã‚’æŒã£ãŸéš›ã«192.168.0.2ã¸ã®æŒ¯ã‚Šåˆ†ã‘ãŒç™ºç”Ÿã—ã¦ã‚‚ã€è‡ªèº«ã§å‡¦ç†ã—ã‚ˆã†ã¨ã—ã¦ã„ã‚‹ã®ã‹å¤±æ•—ã—ã¦ã—ã¾ã„ã¾ã™ã€‚è¨å®šã¯ä»¥ä¸‹ã®é€šã‚Šã§ã™ã€‚ä½•ãŒè¶³ã‚Šãªã„ã®ã‹æ•™ãˆã¦é ‚ã‘ã‚‹ã¨åŠ©ã‹ã‚Šã¾ã™ã€‚å°šã€å•é¡Œåˆ‡ã‚Šåˆ†ã‘ã¨ã—ã¦vrrpã¯ç‰‡
bigwest 2009/11/10
LVS

loadbalancer

Linux
ãƒªãƒ³ã‚¯
L4ã‚¹ã‚¤ãƒƒãƒã¯DSRæ§‹æˆã«ã™ã¹ã— - sanonosaã€€ã‚·ã‚¹ãƒ†ãƒ ç®¡ç†ã‚³ãƒ©ãƒ é›†
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bigwest 2009/11/10
Linux

DSR

Server

network

loadbalancer
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LVSã§å®Ÿç¾ã™ã‚‹ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µ - KLablabWiki
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bigwest 2009/11/10
Linux

LVS

loadbalancer
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bigwest 2006/08/13
apache

loadbalancer
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GIGAZINE - Apacheã‚’ã€ŒUltra Monkeyã€ã§é«˜å¯ç”¨æ€§ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚¹ã‚¯ãƒ©ã‚¹ã‚¿åŒ–
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bigwest 2006/05/23
linux

apache

loadbalancer

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