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Distributed recovery of actor failures in wireless sensor and actor networks.

机译：无线传感器和actor网络中actor故障的分布式恢复。

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摘要

Wireless sensor and actor networks (WSANs) additionally employ actor nodes within the wireless sensor network (WSN) which can process the sensed data and perform certain actions based on this collected data. In most applications, inter-actor coordination is required to provide the best response. This suggests that the employed actors should form and maintain a connected inter-actor network at all times. However, WSANs often operate unattended in harsh environments where actors can easily fail or get damaged. Such failures can partition the inter-actor network and thus eventually make the network useless. In order to handle such failures, in this thesis we present a connected dominating set (CDS) based partition detection and recovery algorithm. The idea is to identify whether the failure of a node causes partitioning or not in advance. If a partitioning is to occur, the algorithm designates one of the neighboring nodes to initiate the connectivity restoration process. This process involves repositioning of a set of actors in order to restore the connectivity. The overall goal in this restoration process is to localize the scope of the recovery and minimize the movement overhead imposed on the involved actors. The effectiveness of the approach is validated through simulation experiments.
机译：无线传感器和参与者网络（WSAN）在无线传感器网络（WSN）内还采用了参与者节点，该节点可以处理感测到的数据并基于收集到的数据执行某些操作。在大多数应用中，需要参与者之间的协调以提供最佳响应。这表明所雇用的行为者应始终形成并维持一个相互联系的行为者间网络。但是，WSAN通常在恶劣的环境下无人值守，在这些环境中，参与者很容易发生故障或损坏。这样的故障可能会分割角色间网络，从而最终使网络无用。为了处理此类故障，本文提出了一种基于连接控制集（CDS）的分区检测和恢复算法。这个想法是要事先确定节点的故障是否导致分区。如果要进行分区，则该算法指定相邻节点之一以启动连接性恢复过程。此过程涉及重新定位一组参与者以恢复连接性。恢复过程的总体目标是确定恢复范围，并最大程度地减少对相关参与者施加的移动开销。通过仿真实验验证了该方法的有效性。

著录项

  • 作者

    Thimmapuram, Aravind.;

  • 作者单位

    Southern Illinois University at Carbondale.;

  • 授予单位 Southern Illinois University at Carbondale.;
  • 学科 Computer Science.
  • 学位 M.S.
  • 年度 2008
  • 页码 61 p.
  • 总页数 61
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类 自动化技术、计算机技术;
  • 关键词

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