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In a Mobile Ad hoc Network (MANET), due to mobility, limited battery power and poor features of nodes,
network partitioning and nodes disconnecting occur frequently. To improve data availability, database
systems create multiple copies of each data object and allocate them on different nodes. This paper
proposes Automated Re-allocator of Replicas Over MANET (ARROM), that addresses these issues.
ARROM reduces the average response time of requests between clients and database servers by
reallocating replicas frequently. In addition, ARROM increases the average throughput in the network. Our
performance study indicates that ARROM improves average response time and average network
throughput in MANET as compared to resent existing scheme.