Volume 33 Issue 12
Dec.  2008
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MENG Lingkui, ZHANG Wen, Frank Zhigang WANG. A Grid Geo-spatial Database System Model Based on Layered P2P Protocol[J]. Geomatics and Information Science of Wuhan University, 2008, 33(12): 1233-1236.
Citation: MENG Lingkui, ZHANG Wen, Frank Zhigang WANG. A Grid Geo-spatial Database System Model Based on Layered P2P Protocol[J]. Geomatics and Information Science of Wuhan University, 2008, 33(12): 1233-1236.
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A Grid Geo-spatial Database System Model Based on Layered P2P Protocol

  • 1School of Remote Sensing and Information Engineering,Wuhan University,129 Luoyu Road,Wuhan 430079,China;2The Centre for Grid Computing,Cambridge-Cranfield High Performance Computing Facility,AMAC/SOE, Cranfield University Campus,Bedfordshire MK43 0AL,UK

Funds: 国家自然科学基金资助项目(40771177)
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  • Received Date: October 16, 2008
  • Revised Date: October 16, 2008
  • Published Date: December 04, 2008
    Graphical Abstract
    • Abstract
  • Aiming at the faults of conditional geo-spatial database and their new characteristics,a new and high efficiency model—GPeer-SDBMS is proposed.The P2P protocol-Tapestry is employed in this model for constructing a layered distributed geo-spatial database flexibly;and the grid database nodes are divided into many virtual node clusters according to database mode of these nodes.The GPeer-SDBMS model can not only realize distributed storage for geo-spatial data,but also improve the query arithmetic.The experimental result shows that high performance can be acquired very easily and the corresponding system can balance network load efficiently and adapt to complex grid based geo-spatial database environment for its dynamical expanding.
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