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Low-Cost Fault-Tolerance Protocol for Large-Scale Network Monitoring

机译:用于大规模网络监控的低成本容错协议

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摘要

Distributed hierarchical network monitoring model has been proposed to solve scalability problem of centralized model. In this distributed model, a top-level monitoring manager, called main manager, obtains aggregate management information from mid-level managers, named domain managers, forming a hierarchical structure. However, if some of monitoring managers crash, network elements cannot be continuously and correctly monitored until the managers are repaired. To address this important, but previously unresolved issue, this paper presents a new fault-tolerance protocol for domain managers, named DMFTP, allowing the managers to efficiently utilize their organization structure. Therefore, this protocol can minimize failure detection overhead and the number of live managers affected by each manager node crash. Also, it tolerates concurrent manager failures and, after the failed managers have been repaired, ensures their immediate and consistent recovery.
机译:为了解决集中式模型的可扩展性问题,提出了一种分布式的分层网络监控模型。在此分布式模型中,称为主管理器的顶级监视管理器从名为域管理器的中级管理器获取聚合管理信息,从而形成了层次结构。但是,如果某些监视管理器崩溃,则无法对网络元素进行连续且正确的监视,直到修复了这些管理器为止。为了解决这个重要但以前尚未解决的问题,本文提出了一种针对域管理器的新的容错协议,名为DMFTP,它允许管理器有效地利用其组织结构。因此,此协议可以最大程度地减少故障检测开销以及受每个管理器节点崩溃影响的活动管理器的数量。而且,它可以容忍并发管理器故障,并且在修复了发生故障的管理器之后,可以确保其立即和一致的恢复。

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