Global Server Load Balancing

Global Server Load Balancing (GSLB) allows us to load-balance services across different geographical regions. For instance, large organizations such as Facebook, eBay, and Microsoft use this technology to load-balance their web services. This might be for proximity reasons, because a user might be redirected to the closest available resource, or to keep redundant services available in case of datacenter failures.

So the main purposes for GSLB are:

  • Performance; user proximity to the closest available resource
  • Disaster recovery, where multiple sites can be grouped as primary and standby
  • Load balancing resources between different multiple locations

GSLB is based upon the use of DNS. So for instance when a user wants to go ...

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