Atomic token passing in the context of spontaneous communications
Abstract
With the development of personal wireless mobile devices, direct data exchanges between several devices, known as spontaneous communications, will become increasingly important. In such a context, the communication time is limited according to devices' mobility. Despite the limited communication time, applications often require atomic commitment between two mobile devices. In this paper, we present a protocol to address the problem of atomic token passing from one mobile device to another, in the context of spontaneous communications. The protocol relies on a variant of the two-phase commit protocol. Our approach is based on dynamically adapting the communication time in the two phases of the protocol.
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