1. A method for load balancing in a server cluster comprising: configuring a load management application to use a load balancing decision function selected from a plurality of load balancing decision functions; receiving a request in the server cluster; selecting a request handler from a plurality of request handlers by the load management application using the load balancing decision function; and transmitting the request to the request handler, wherein the plurality of load balancing decision functions comprises a default load balancing decision function and a custom load balancing decision function.