ADMIN - Explore the new world of system administration! Special introductory offer! Order by September 30th to save 10% off the regular subscription price! Each issue delivers technical solutions to the real-world problems you face every day. Learn the latest techniques for better:
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On today’s networks, distributing requests in a cluster of web servers requires more than just assigning the requests in a round robin. The Zeus ZXTM 7400 appliance demonstrates the technical finesse necessary to keep busy websites running.
Even the most powerful web server eventually reaches its limit. Getting help isn’t a problem; the load redistribution can be complicated. Each server cluster needs to distribute requests intelligently to use resources in a meaningful way, and the client should not notice what is going on behind the scenes. One way of achieving this is the ZXTM 7400 appliance by Zeus Technology [1], which I recently tested. Techniques Load balancers distinguish between physical servers and virtual IPs (VIPs). In this case, the physical servers are web servers. Each web server has a unique IP (real IP, or RIP). The VIP is only configured on the load balancer.
Watch our free Video Archive from Apachecon US 2009. Archive provided by The Apache Foundation, COLLABNET, and Linux Pro Magazine
Drawing internationally renowned thought-leaders, contributors, and organizations in the Open Source community, ApacheCon offers insight into the culture and community that develops and shepherds industry-leading Open Source projects, including Apache HTTP Server – the world's most popular Web server software for more than 10 years.
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