Energy-Aware Distribution of Data Fragments in Unattended Wireless Sensor Networks

Hong-Beom Choi, Young-Bae Ko, K. Lim
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引用次数: 6

Abstract

In this paper, we study and analyze data fragment placement techniques to exploit their problems and design an energy-aware fragment placement method in Unattended Wireless Sensor Networks (UWSN). In UWSN, the survivability of data is of utmost importance because sensed data cannot be immediately transmitted and must reside in the storage of sensor nodes for extended periods of time. The data, which have delay-tolerant characteristics, can be exploited by attackers that access the storage to erase or steal the data. Even though data fragmentation methods have been designed to solve this problem, these works do not consider a critical issue of where to place data fragments in the sensor network. In this work, we show that basic existing methods of data fragment placement have some problems, especially in terms of energy efficiency and data survival probability. Based on our analysis, we propose a lightweight method that allows us to efficiently select sensor nodes that are used to safely distribute and place data fragments. We show through simulation and preliminary testbed analysis that our proposed method can improve the overall performance of data fragmentation.
无人值守无线传感器网络中数据碎片的能量感知分布
本文研究和分析了数据碎片放置技术,以解决其存在的问题,并设计了一种无人值守无线传感器网络(UWSN)中能量感知的碎片放置方法。在UWSN中,数据的生存性至关重要,因为感知到的数据不能立即传输,必须长时间驻留在传感器节点的存储中。这些具有延迟容忍特性的数据可以被访问存储的攻击者利用来擦除或窃取数据。尽管已经设计了数据碎片化方法来解决这个问题,但这些工作没有考虑在传感器网络中放置数据碎片的关键问题。在这项工作中,我们发现现有的基本数据片段放置方法存在一些问题,特别是在能量效率和数据存活概率方面。基于我们的分析,我们提出了一种轻量级的方法,使我们能够有效地选择用于安全分发和放置数据片段的传感器节点。通过仿真和初步的试验台分析表明,该方法可以提高数据分片的整体性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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