A three-tier information management architecture for mobile grid environments

  • Authors:
  • Joachim Zottl;Günter Haring;Gabriele Kotsis

  • Affiliations:
  • University of Vienna;University of Vienna;Johannes Kepler University, Linz

  • Venue:
  • Proceedings of the 6th International Conference on Advances in Mobile Computing and Multimedia
  • Year:
  • 2008

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Abstract

A three-tier information management architecture for mobile grid environments and ad-hoc networks is presented in this paper. We address a key challenge in such highly dynamic environments with a high degree of fluctuation in the hardware infrastructure: how to store information consistently, persistently, and at the same time efficiently. Most currently available approaches are based on replication strategies. These strategies achieve persistency even in highly dynamic environments, but have to pay a high price in terms of redundancy. Our proposed architecture is based on the adaptation of fault-tolerant data distribution strategies utilizing erasure codes, such as RAID or Reed-Solomon, and thus combines consistency and persistency with high storage efficiency.