Medley: A Novel Distributed Failure Detector for IoT Networks

Medley: A Novel Distributed Failure Detector for IoT Networks
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Medley:一种新型的物联网分布式故障检测器

DOI:
10.1145/3361525.3361556
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发表时间:
2019
期刊:
Middleware '19: Proceedings of the 20th International Middleware Conference
影响因子:
--
通讯作者:
Gupta, Indranil
Gupta, Indranil
中科院分区:
--
文献类型:
--
作者:
Yang, Rui;Zhu, Shichu;Li, Yifei;Gupta, Indranil

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物联网网络的有效和正确运行需要物联网节点之间存在故障检测器和成员协议。提出了一种新的物联网故障检测器,用于通过无线自组织网络连接节点的物联网环境。这种故障检测器,我们将其命名为Medley,是完全去中心化的,允许物联网节点维护其他活动节点的本地成员资格列表,快速检测故障(并更新成员资格列表),并在底层自组织网络中产生较低的通信开销。为了最大限度地减少检测时间和通信,我们采用了最初为数据中心(SWIM)提出的适用于物联网环境的故障检测器。在Medley中,每个节点以随机和不对称的方式挑选一组ping目标,优先选择距离较近的节点。通过分析和NS-3仿真,我们给出了正确的ping概率组合,同时优化了检测时间和通信流量。我们还为Raspberry PI实现了Medley,并给出了部署结果。
Efficient and correct operation of an IoT network requires the presence of a failure detector and membership protocol amongst the IoT nodes. This paper presents a new failure detector for IoT settings where nodes are connected via a wireless ad-hoc network. This failure detector, which we name Medley, is fully decentralized, allows IoT nodes to maintain a local membership list of other alive nodes, detects failures quickly (and updates the membership list), and incurs low communication overhead in the underlying ad-hoc network. In order to minimize detection time and communication, we adapt a failure detector originally proposed for datacenters (SWIM), for the IoT environment. In Medley each node picks a medley of ping targets in a randomized and skewed manner, preferring nearer nodes. Via analysis and NS-3 simulation we show the right mix of pinging probabilities that simultaneously optimize detection time and communication traffic. We have also implemented Medley for Raspberry Pis, and present deployment results.
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