In this paper, we introduce a prewrite operation before a write operation in a mobile transaction to improve data availability. A prewrite operation does not update the state of a data object but only makes visible the value that the data object will have after the commit of the transaction. Once the transaction has read all the values and declares all the prewrites, it can precommit at mobile host. The remaining transaction
Sanjay Kumar Madria, Bharat K. Bhargava