Cloud computing is a recent evolution in computer technology. A cloud server has to deal with a lot of workload. So, the process of distributing load over the virtual machines or among the servers in a distributed cloud system is very important to get better performance. Before launching a cloud based application or a new load balancing policy in the cloud server, it is very difficult to know whether the performance will be good or not. Because testing an application or load balancing policy’s performance in Cloud for different workload in a repeatable manner under varying system and user configurations and requirements are very complex and expensive to achieve. So simulating the performance of an application or a load balancing policy is a good alternate. This paper is about simulating some existing load balancing approaches as well as a proposed improved load balancing approach and the comparison of the performance using CloudSim simulator.

Cloud computing, workload, load balancing, simulation, CloudSim

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