Chen Liu
ABSTRACT
With the development of cloud computing technology, cloud services put forward higher requirements for Internet bandwidth, traffic, execution time, cost, etc. At the same time, more and more fierce market competition has led to uncontrollable online business, which has resulted in more and more network fluctuations and business fluctuations. These fluctuation risks make cloud services unstable and beyond expectations. Traditional cloud service scheduling algorithms are more based on time, resource balance, execution cost, etc., which are more suitable for stable environment. When there are fluctuations, these algorithms can not take the impact of fluctuations into account, resulting in unreasonable scheduling strategy. In this study, we propose a multi-objective optimization scheduling strategy for cloud service based on fluctuation cost. We use the fluctuation cost to evaluate the potential impact of the fluctuation, construct the resource sequence based on the fluctuation factor, and obtain the fluctuation cost value through the fluctuation cost algorithm. Combined with execution time optimization, task priority and other objectives, particle swarm optimization scheduling algorithm is improved to meet the multi-objective strategy requirements. Finally, the experiment proves that this strategy can better handle the resource scheduling problem when fluctuations occur. By setting different weight values, it can provide more solutions for user decision-making in the actual situation.
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Index Terms
- A multi-objective optimal scheduling strategy for cloud service based on fluctuation cost
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