Abstract
An approach to checkpointing and rollback recovery in a distributed computing system using a common time base is proposed. First, a common time base is established in the system using a hardware clock synchronization algorithm. This common time base is coupled with a pseudorecovery block approach to develop a checkpointing algorithm that has the following advantages: (i) maximum process autonomy, (ii) no wait for commitment for establishing recovery lines, (iii) fewer messages to be exchanged, and (iv) less memory requirement. >
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