Abstract

Mobile computing is going to change the way, computers are used today. However mobile computing environment has features like high mobility, frequent disconnections, and lack of resources, such as memory and battery power. Such features make applications, running on mobile devices, more susceptible to faults. Checkpointing is a major technique to confine faults and restart applications faster. In this paper, we present a coordinated checkpointing algorithm for deterministic applications. We are using anti-messages along-with selective logging to achieve faster recovery and reduced energy consumption. Our algorithm is non-blocking in nature and avoids unnecessary computation. We ask only minimum number of processes to take the checkpoint and also take in to account the limited storage available at mobile devices.

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