| Summary: | 碩士 === 東海大學 === 資訊工程學系 === 101 === A cloud service applications may contain multiple service components, the operation of these components cost includes the cost of computing and data transfer costs. Customers usually will copies of the components to be deployed in a more advantageous billing server node. The research shows, only to send the object content, cloud services can reduce operating costs and improve overall performance without updating all the service object. Find out deployment strategy of minimum cost is a difficult task, so a lot of the research will focus on seeking better solutions. This thesis explores the deployment strategy of the service components of the hierarchical environment better solution, we first find a set of approximate solution, then analysis of the processes between the service components dependency, fine-tuning the original approximate solution to further streamline. The research results show that by eliminating redundant objects, deployment cost can be reduced to improve the network service performance.
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