Hierarchical collaboration caching in wireless Mesh networks

doi:10.3778/j.issn.1002-8331.2010.14.036

Computer Engineering and Applications ›› 2010, Vol. 46 ›› Issue (14): 122-125.DOI: 10.3778/j.issn.1002-8331.2010.14.036

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Hierarchical collaboration caching in wireless Mesh networks

LI Li¹，JIN Hu²，WANG Peng²

1.Trade and Industry of Heilongjiang Vocational and Technical College，Harbin 150080，China
2.Heilongjiang University，Harbin 150080，China

Received:2008-12-08 Revised:2009-03-03 Online:2010-05-11 Published:2010-05-11
Contact: LI Li

无线Mesh网络中节点分级协作缓冲机制研究

李立¹，金虎²，王鹏²

1.黑龙江工商职业技术学院，哈尔滨 150080
2.黑龙江大学，哈尔滨 150080

通讯作者: 李立

Abstract

Abstract: 在无线Mesh中，由于每个节点缓冲的数据量不同，可能会造成某些节点的缓冲区利用率低，某些节点因为缓冲任务繁重而进行频繁的数据置换操作，从而造成节点存储空间使用不均衡，降低数据缓冲的效率。提出了一种基于节点分级管理的协作缓冲算法，该算法为网络中的每个节点在网络中构造一个分布式缓冲区域，利用该缓冲区域来替代节点本身的缓冲区，通过合理地利用每个节点的存储空间，增加单个节点的数据缓冲能力。理论分析和实验结果表明，该算法可以有效提高数据访问命中率，减少缓冲区数据的置换操作，降低节点的能量消耗。

Key words: 无线Mesh, 数据缓冲, 缓冲一致性, 数据置换

摘要： 在无线Mesh中，由于每个节点缓冲的数据量不同，可能会造成某些节点的缓冲区利用率低，某些节点因为缓冲任务繁重而进行频繁的数据置换操作，从而造成节点存储空间使用不均衡，降低数据缓冲的效率。提出了一种基于节点分级管理的协作缓冲算法，该算法为网络中的每个节点在网络中构造一个分布式缓冲区域，利用该缓冲区域来替代节点本身的缓冲区，通过合理地利用每个节点的存储空间，增加单个节点的数据缓冲能力。理论分析和实验结果表明，该算法可以有效提高数据访问命中率，减少缓冲区数据的置换操作，降低节点的能量消耗。

关键词: 无线Mesh, 数据缓冲, 缓冲一致性, 数据置换

CLC Number:

TP393

LI Li¹，JIN Hu²，WANG Peng². Hierarchical collaboration caching in wireless Mesh networks[J]. Computer Engineering and Applications, 2010, 46(14): 122-125.

李立¹，金虎²，王鹏². 无线Mesh网络中节点分级协作缓冲机制研究[J]. 计算机工程与应用, 2010, 46(14): 122-125.

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Hierarchical collaboration caching in wireless Mesh networks

无线Mesh网络中节点分级协作缓冲机制研究

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