Abstract
Cloud computing owns merits of more efficiency and less cost in fields of information processing and service mode. Algorithms of workflow scheduling in the cloud can contribute to cutting cost and improving the quality of services, therefore, it has been a hot research topic. In this paper, the workflow technology in the cloud and the needs for cloud workflow scheduling are firstly introduced. Then, typical cloud workflow scheduling algorithms are analyzed and classified into three categories. In the end, typical cloud workflow scheduling research tools such as CloudSim, WorkflowSim and SwinFlow-Cloud are evaluated. Besides, we also analyze the existing problems of current workflow scheduling algorithm in the cloud and introduce the directions of the future research.
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