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The issues related to mobile grid computing has become one of the important challenges in today's world. In this paper, Reliability Driven (ReD) middleware is constructed to find the highly reliable check-pointing arrangement in Mobile Grid systems. Checkpoint recovery protocol is used to improve the possibility of recovery of data lost during data transfer in wireless systems. Decentralized QoS-aware check-pointing overcomes the inherent challenges of mobile environment and achieves the improved Quality of Service in wireless systems. In addition, RSA algorithm is proposed to perform the encryption of data in mobile grid systems. This leads to increased job satisfaction and decreased performance degradation.
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