Abstract
AbstractA distributed system is a collection of independent entities that cooperate to solve a problem that cannot be individually solved. A mobile computing system is a distributed system where some of processes are running on mobile hosts (MHs). Checkpoint is defined as a designated place in a program at which normal processing is interrupted specifically to preserve the status information necessary to allow resumption of processing at a later time. Checkpointing is the process of saving the status information. Over the past two decades, intensive research work has been carried out on providing efficient checkpointing protocols in traditional distributed computing. The existence of mobile nodes in a distributed system introduces new issues that need proper handling while designing a checkpointing algorithm for such systems. These issues are mobility, disconnections, finite power source, vulnerable to physical damage, lack of stable storage etc. Recently, more attention has been paid to providing checkpointing protocols for mobile systems. This paper surveys the algorithms which have been reported in the literature for checkpointing in distributed systems as well as Mobile Distributed systems.KeywordsFault tolerancecheckpointingmessage loggingindependent checkpointingconsistent global statedomino effectcoordinated checkpointing and mobile systems
Published Version
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