On Optimistic Methods for Mobile Transactions

  title={On Optimistic Methods for Mobile Transactions},
  author={San-Yih Hwang},
  journal={J. Inf. Sci. Eng.},
We propose a new transaction execution model in a mobile environment where a subset of data items is cached by each mobile host. This execution model allows each mobile host to execute transactions locally and, before their commits, to request certification from the database server on the wired network. The database server certifies a commit request only when the execution of its pertaining transaction was consistent. This protocol behaves like the optimistic concurrency control mechanisms in… CONTINUE READING


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