Earth date, August 11, 1997" Beam me up Scottie!"" We cannot do it! This is not Star Trek's
Enterprise. This is early years Earth." True, this is not yet the era of Star Trek, we cannot …

Nuno Neves and W. Kent Fuchs failure, the application rolls back to the last saved state and
then restarts its execution. Checkpoint protocols proposed in the past are not adequate for …

Information systems consist of mobile stations and fixed stations. Mission critical applications
are required to be executed fault-tolerantly in these systems. However, mobile stations …

Mobile distributed systems raise new issues such as mobility, low bandwidth of wireless
channels, disconnections, limited battery power and lack of reliable stable storage on mobile …

For the purpose of designing more reliable networks, we extend the traditional reliability
analysis from wired networks to wireless networks with imperfect components. Wireless …

Heartbeat protocols are used by distributed programs to ensure that if a process in a
program terminates or fails, then the remaining processes in the program terminate. We …

A number of checkpointing and message logging algorithms have been proposed to support
fault tolerance of mobile computing systems. However, little attention has been paid to the …

Dependable mobile computing is enhanced by independent recovery, low power
consumption and no dependence on stable storage at the mobile host. Existing recovery …

We make two observations about communications middleware: first, most middleware are
similar, the differences are in their interfaces and optimizations; second, neither a fixed set of …

Summary & Conclusions The limited stable storage available in mobile-computing
environments can make traditional checkpointing and message logging umuitable. Since …