Semantic Transaction Processing in Mobile Computing

  • Authors:
  • Fritz Laux;Tim Lessner;Martti Laiho

  • Affiliations:
  • Reutlingen University, Germany;University of Duisburg-Essen, Germany;Haaga-Helia University of Applied Sciences, Finland

  • Venue:
  • Proceedings of the 2008 conference on Techniques and Applications for Mobile Commerce: Proceedings of TAMoCo 2008
  • Year:
  • 2008

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Abstract

Transaction processing is of growing importance for mobile computing. Booking tickets, flight reservation, banking, ePayment, and booking holiday arrangements are just a few examples for mobile transactions. Due to temporarily disconnected situations the synchronisation and consistent transaction processing are key issues. Serializability is a too strong criteria for correctness when the semantics of a transaction is known. We introduce a transaction model that allows higher concurrency for a certain class of transactions defined by its semantic. The transaction results are “escrow serializable” and the synchronisation mechanism is non-blocking. Experimental implementation showed higher concurrency, transaction throughput, and less resources used than common locking or optimistic protocols.