移动自组网中基于稳定邻居的数据复制算法

Data Replication Algorithm Based on Stable Neighbors in Mobile Ad Hoc
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    摘要:

    移动自组网络中由于节点的移动和能量的有限性,节点间的链路不稳定,使得数据的访问成功率较低,节点间能量消耗不平衡。针对此问题,提出基于节点稳定邻居的复制算法,对节点的数据项访问频度进行加权处理,综合考虑节点的稳定邻居数和剩余能量,以此确定数据副本的放置位置。模拟实验结果表明,该算法能有效提高数据访问成功率,平衡节点间能量消耗。

    Abstract:

    In mobile ad hoc networks, the links among nodes are unstable due to the characteristics of node movement and limited energy, which leads to the poor rate of successful data access and the imbalance in the energy consumption among nodes. The paper discusses the stable neighbors of a node, the access frequency of a node's weight, and the node's surplus energy used in allocating the replicas. Simulation experimental results show that the algorithm improves the rate of successful data access and balances the power consumption among nodes.

    参考文献
    1 Hara T. Effective replica allocation in ad hoc networks for improving data accessibility. Proc. of the 20th annual joint conference of the IEEE computer and communications societies, April 2001.1568-1576.
    2 Wang K, Li B. Efficient and guaranteed service coverage in partitionable mobile ad-hoc networks. IEEE Joint Conference of Computer and Communica- tion Societies, 2002.
    3 Ishihara S, Okino T, Watanab T, Mizunot T.Evaluation of the Behavior of Replication of Data Associated with Locations in Ad hoc Networks. Proc.Of SCI2004, 2004.
    4 Tenzekhti F, Day K, Ould-Khaoua M. Replication algorithms for the World-Wide Web.16th Annual International Symposium on High Performance Computing Systems and Applications, 2004.
    5 Shinohara M, Hara T, Nishio S. Replica Allocation Considering Power Consumption in Mobile Ad Hoc Networks. 4th Annual IEEE International Conference on Pervasive Computing and Communications Workshops, 2006.
    6 Shi K, Haas ZJ. Quantitative Analysis of Partition Statistics and their Impact on Data Replication in MANETs. Sixth International Symposium on Parallel and Distributed Computing, 2007.
    7 Hara T, Madria SK.Consistency Management Strategies for Data Replication in Mobile Ad Hoc Networks. IEEE Transactions on Mobile Computing, 2009.
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常秋菊,杨金民.移动自组网中基于稳定邻居的数据复制算法.计算机系统应用,2010,19(10):246-249

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  • 收稿日期:2010-02-21
  • 最后修改日期:2010-03-19
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