For organizations across the world, it's imperative that their online services are always available, and that their users get the best possible level of service. Even a catastrophic datacenter failure should not result in 'service unavailable' errors.
Global Server Load Balancing (GSLB) is a commonly used technique that lets an organization host its services from several different datacenters across the world. With GSLB, single points of failure are eliminated, and users can be routed to the service point that is closest to them to give the best possible level of service.
This "Layman's Guide to Global Server Load Balancing" explains in simple terms how GSLB works. If you're interested in finding out more, read on...
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