期刊名称：Journal of Theoretical and Applied Information Technology
印刷版ISSN：1992-8645
电子版ISSN：1817-3195
出版年度：2013
卷号：49
期号：2
出版社：Journal of Theoretical and Applied
摘要：Multi-tenant sharing model is the way to maximize the economic benefit of the resources in the cloud. However, the higher the sharing scales of the nodes, the heavier the load they bore, thus decreasing tenants� user experience. In this paper, we proposed a Pub/Sub-based multi-tenant process resource management framework, which appropriately defusing the peak-load situation and minimizing every tenant�s response time as well as guaranteeing the highest sharing rate. Based on the framework, a load balance strategy that dual optimize users� experience from both deployment and runtime is presented. During the deployment phase, dynamic replica placement policy helps to decide the best placement strategy for the business process unit; optimal process node selection policy is responsible for choosing the optimal process node for every tenant at runtime. Experimental results show the efficiency of this mechanism.
关键词：Cloud Computing; Multi-tenant; User Experience; Business Process
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