Enhancing Reliability via Checkpointing in Cloud Computing Systems

查看全文 作　　者：Ao [1]Zhou;Qibo [1]Sun;Jinglin [1]Li

机构地区：[1]State Key Laboratory of Networking and Switching Technology, Beijing University of Posts and Telecommunications

出　　处：《China Communications》索引2017年第14卷第7期,共10页

基　　金：supported by Beijing Natural Science Foundation (4174100);NSFC(61602054);the Fundamental Research Funds for the Central Universities 摘　　要：Cloud computing is becoming an important solution for providing scalable computing resources via Internet. Because there are tens of thousands of nodes in data center, the probability of server failures is nontrivial. Therefore, it is a critical challenge to guarantee the service reliability. Fault-tolerance strategies, such as checkpoint, are commonly employed. Because of the failure of the edge switches, the checkpoint image may become inaccessible. Therefore, current checkpoint-based fault tolerance method cannot achieve the best effect. In this paper, we propose an optimal checkpoint method with edge switch failure-aware. The edge switch failure-aware checkpoint method includes two algorithms. The first algorithm employs the data center topology and communication characteristic for checkpoint image storage server selection. The second algorithm employs the checkpoint image storage characteristic as well as the data center topology to select the recovery server. Simulation experiments are performed to demonstrate the effectiveness of the proposed method. 关键词：高可靠性计算系统检查点存储服务器 Internet 开关故障数据中心存储特性

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Enhancing Reliability via Checkpointing in Cloud Computing Systems

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