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Task Scheduling using Hybrid Algorithm in Cloud Computing Environments

The cloud computing is considered the latest network infrastructure that supports the decentralization of computing. The main features of the Cloud are the possibilities for building applications and providing various services to the end user by virtualization on the internet. One of the main challenges in the field of the cloud computing is the task scheduling problem. Task scheduling problem concerns about the dynamic distribution of the tasks over the Cloud resources to achieve the best results. Many of the algorithms have been existed to resolve the task scheduling problem such as a Particle Swarm Optimization algorithm (PSO). The PSO is a simple parallel algorithm that can be applied in different ways to resolve the task scheduling problems. In this paper, a task scheduling algorithm has been proposed to the independent task over the Cloud Computing. The proposed algorithm is considered an amalgamation of the PSO algorithm and the Cuckoo search (CS) algorithm; called PSOCS. To evaluate the proposed algorithm, the cloudsim simulator has been used. The experimental results show the reduction of the makespan and increase the utilization ratio of the proposed PSOCS algorithm compared with PSO algorithms and Random Allocation (RA).