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N Fault-Tolerant Sender-Based Message Logging for Group Communication-Based Message Passing Systems

机译:用于基于组通信的消息传递系统的N个基于容错发件人的消息记录

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All the existing SBML protocols have the limitations that they cannot tolerate concurrent failures in common. In this paper, we identify the exact reasons why they unavoidably have their incapability with the assumption of reliable FIFO unicast-only networks and present an effective SBML protocol to overcome this shortcoming without any abandonment of SBML's strength by using the inherent positive feature of group-based communication networks assumed generally in this literature. This protocol satisfies the requirement by replicating the log information of a message sent to a group, separately assigned by each process, into volatile storage of other processes executing the same distributed application together. Therefore, even if only one process in a group survives at a time, our protocol can progress the execution of the entire system without stopping and restarting it.
机译:现有的所有SBML协议都有其不能容忍并发故障的局限性。在本文中,我们确定了在可靠的FIFO单播网络假设下它们不可避免地无法实现其功能的确切原因,并提出了有效的SBML协议来克服这一缺点,而不会通过利用组固有的积极特性来放弃SBML的优势。这些文献中普遍假设的基于WLAN的通信网络。该协议通过将发送给每个进程分别分配给组的消息的日志信息复制到一起执行同一分布式应用程序的其他进程的易失性存储中,来满足该要求。因此,即使一次只有一个进程幸存下来,我们的协议也可以继续执行整个系统而无需停止并重新启动它。

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