Coimbatore,

Cloud Computing has become a buzz word in real world. They provide rapid service to the customer mainly focusing on resource allocation. The main issue of cloud computing is to fix the dynamic resource allocation in order to improve the performance speed and reduce the cost, utilizing the resource efficiently. The main aim of this paper is resource allocation for virtualized cloud environments can improve the performance, availability, guarantees and minimize cost of the energy and time for large cloud service centers. We first formulate from virtual machine allocation for allocation main constrains are load balancing, capacity allocation, frequency scaling, energy efficiency, service differentiation for the efficient resource allocation of virtual machines in the server. Then we move to next class partitioning of incoming large tasks mainly based on weight of the task, budget and resource vector. Based on this method task are efficiently portioned and allocated to virtual machines time of completion of each task is reduced