Abstract
A Study of Mutable Checkpointing Approach to Reduce the Overheads Associated with Coordinated Checkpointing
Highlights
Amobile computing system is a distributed system where some of processes are running on Mobile Hosts (MHs), whose location in the network changes with time
Where some of the processes run on mobile hosts moving over the network and a few fixed hosts Mobile Service Stations (MSS) act as access points to communicate with MHs
The main motive of using Checkpointing is: (1)-To recover from failures. (2)-Checkpointing is used in debugging distributed programs and migrating processes in multiprocessor system. (3)-To balance the load of processors in the distributed system, processes are moved from heavily loaded processors to lightly loaded ones. (4)-With check-pointing, an arbitrary temporal section of a program’s runtime can be extracted for exhaustive analysis without the need to restart the program from beginning [Poonam & Parveen, 2010]
Summary
Abstract—As because of the new issues in mobile computing such as: lack of stable storage, low bandwidth of wireless channels, high mobility and limited battery life. Coordinated check-pointing is a technique used for fault tolerant as it is domino free. It will deal with transparently fault tolerance to distributed applications. We have taken two objectives: (1) to minimize the number of synchronization messages and the number of checkpoints, (2) to make the checkpointing process non-blocking. We will propose the possible techniques to minimize the number of checkpoints that avoids the overhead of transferring large amount of data to the stable storage at Mobile Support Station (MSS).
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