負荷分散の話
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負荷分散の話

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負荷分散の話 負荷分散の話 Presentation Transcript

  • F5 BIG-IP
  • Load Balancer Application Application Application Application Application Server Server Server Server Server
  • Load Balancer Application Application Application Application Application Server Server Server Server Server
  • www   IN A  192.168.0.10 www   IN A  192.168.0.20
  • www   IN A  192.168.0.10 www   IN A  192.168.0.20
  • www   IN A  192.168.0.10 www   IN A  192.168.0.20 nslookup www
  • www   IN A  192.168.0.10 www   IN A  192.168.0.20 nslookup www →192.168.0.10
  • www   IN A  192.168.0.10 www   IN A  192.168.0.20 nslookup www →192.168.0.10 nslookup www
  • www   IN A  192.168.0.10 www   IN A  192.168.0.20 nslookup www →192.168.0.10 nslookup www →192.168.0.20
  • www   IN A  192.168.0.10 www   IN A  192.168.0.20 nslookup www →192.168.0.10 nslookup www →192.168.0.20
  • DNS iDC 2 iDC 1
  • DNS iDC 2 iDC 1
  • DNS US JP
  • DNS US JP
  • DNS US JP
  • DNS US JP
  • GeoIP DNS US JP
  • GeoIP DNS US JP
  • Balancer
  • http://example.com /css /image
  • http://example.com static file serv /css /image
  • http://example.com static file serv /css /image
  • http://example.com static file serv /css /image App serv
  • http://example.com static file serv /css /image App serv
  • http://example.com /css /image
  • http://example.com /css /image
  • http://example.com /css /image
  • http://example.com /css /image
  • http://example.com /css /image sorry serv
  • http://example.com /css /image sorry serv
  • http://example.com /css /image sorry serv
  • 500
  • 500