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	Towards RSA-based high availability configuration in cloud
	Wu, Yihan ; Zhang, Ying ; Xiong, Yingfei ; Zhang, Xiaodong ; Huang, Gang
	2013
英文摘要	High availability (HA) is a crucial concern in cloud systems. Howev-er, guaranteeing HA is challenging because of the complex runtime cloud envi-ronment, large number of HA mechanisms available, error-prone HA configura-tion, and ever-needed dynamic adjustment. In this study, we leverage runtime system architecture (RSA) for automatic configuration of HA in a cloud. With a causal connection between RSA and its corresponding cloud system, our ap-proach has the following advantages. 1) The runtime changes of the system are abstracted, collected, and reflected on the RSA continuously, simplifying HA information collection. 2) With a model-based HA analyzer working on the col-lected HA-related information, an appropriate HA style (HAS) can be automati-cally selected for application to the current system. 3) Changing a HAS on RSA at runtime changes the system HA mechanism, which is suitable for the com-plex and ever-changing cloud environment. We implemented a prototype of our approach and evaluated it using our model-driven Yan-cloud platform.; EI; 0
语种	英语
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/412124]
专题	信息科学技术学院
推荐引用方式 GB/T 7714	Wu, Yihan,Zhang, Ying,Xiong, Yingfei,et al. Towards RSA-based high availability configuration in cloud. 2013-01-01.

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