Reaching Optimal Interactive Consistency in a Fallible Cloud Computing Environment.
JOURNAL OF INFORMATION SCIENCE AND ENGINEERING(2018)
摘要
Nowadays, network bandwidth and hardware technology are developing rapidly and resulting in the vigorous development of the Internet. However, cloud computing, an Internet -based development in which dynamically scalable and often virtualized resources are provided as a service over the Internet has become a significant issue. In a cloud computing environment, the fault-tolerance is an important research topic. To cope with the influence from faulty components, reaching a common consistency at the presence of faults before performing some special tasks is essential. However, the previous protocols for the interactive consistency problem of cloud computing are not enough for a cloud computing environment with hybrid dual fallible components that nodes and communication media maybe in dormant or malicious fault simultaneously. In this study, the interactive consistency problem with a hybrid dual fallible cloud computing topology is revisited. The new proposed protocol can make all fault-free nodes reach consistency with minimal rounds of message exchanges and tolerate the maximal number of allowable dormant and malicious faulty nodes and communication media in a cloud computing environment.
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关键词
interactive consistency problem,fault tolerance,reliability,cloud computing,distributed computing
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