Tuesday, August 13, 2013

ELB load balancing algorithm


ELB does round robin load balancing.  However, if you are testing ELB and all of your traffic is going to the same instance, don't be surprised.  This is because Amazon ELB behaves little strange when incoming traffic is originated from Single or  Specific IP ranges, it does not efficiently do round robin and sticks the request to some EC2's only. 

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