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首页> 外文期刊>Journal of supercomputing >From immediate agreement to eventual agreement: early stopping agreement protocol for dynamic networks with malicious faulty processors
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From immediate agreement to eventual agreement: early stopping agreement protocol for dynamic networks with malicious faulty processors

机译:从即时协议到最终协议:针对带有恶意故障处理器的动态网络的提前停止协议协议

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摘要

With the rapid advancement of wireless networking technology, networks have evolved from static to dynamic. Reliability of dynamic networks has virtually become an important issue. Fortunately, a solution to the above issue can be derived from solutions to the Byzantine Agreement (BA) problem. BA problem can be solved by protocols that make processors reach an agreement through message exchange. Protocols used to solve the problem can be divided into Immediate Byzantine Agreement (IBA) protocols and Eventual Byzantine Agreement (EBA) protocols. In IBA protocols, the number of rounds of message exchange is determined by the total number of processors in the network. Even if no faulty processor is present in the network, IBA protocols still require a fixed number of rounds of message exchange, causing a waste of time. In contrast, EBA protocols dynamically adjust the number of rounds of message exchange according to the interference of faulty processors. In terms of efficiency, EBA protocols certainly outperform IBA protocols. Due to the fact that the existing EBA protocols have been designed for static networks, they cannot work on dynamic networks. In this paper, we revisit the EBA problem in dynamic networks to increase the reliability of dynamic networks. Simulations will be conducted to validate that the proposed protocol requires the minimum rounds of message exchange and can tolerate the maximum number of malicious faulty processors compared to other existing protocols.
机译:随着无线网络技术的飞速发展,网络已经从静态演变为动态。动态网络的可靠性实际上已成为一个重要问题。幸运的是,可以从拜占庭协议(BA)问题的解决方案中得出上述问题的解决方案。 BA问题可以通过使处理器通过消息交换达成协议的协议来解决。用于解决问题的协议可以分为立即拜占庭协议(IBA)协议和最终拜占庭协议(EBA)协议。在IBA协议中,消息交换的回合数由网络中处理器的总数确定。即使网络中不存在故障处理器,IBA协议仍然需要固定轮数的消息交换,这会浪费时间。相比之下,EBA协议根据故障处理器的干扰来动态调整消息交换的次数。在效率方面,EBA协议肯定胜过IBA协议。由于现有的EBA协议是为静态网络设计的,因此它们不能在动态网络上工作。在本文中,我们重新审视了动态网络中的EBA问题,以提高动态网络的可靠性。与其他现有协议相比,将进行仿真以验证提议的协议需要最少的消息交换次数,并且可以容忍最大数量的恶意故障处理器。

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