Date of Award
1-1-2008
Degree Name
Master of Science
Department
Computer Science
First Advisor
Gupta, Bidyut
Abstract
In this thesis, we have proposed an efficient recovery mechanism for the mobile computing environment. The recovery is based on message logging and uses asynchronous checkpointing and has no domino effect .The proposed work takes care of orphan and lost message along with the duplicate and delayed messages and ensures correct computation after the system recovers from a failure. The salient feature of this scheme is that after recovering from a failure, only the failed process (MH) rolls back to its recent checkpoint and the messages required for recovery are replayed to the MH by the MSS to which it is connected. The effect of failure does not block the working of fail-free processes. The proposed approach achieves faster, effective and less costly in terms of bandwidth, battery power, storage requirements and time.
Access
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