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Multi cloud computing enables the enterprises for effective management of their workloads. Now-adays multi cloud computing flourishes in providing best of breed services to the end user. Management centre is necessary to design, deploy, control and monitor multiple clouds in order to carry out enterprise workloads. This paper proposes architecture for multi cloud computing system and describes the functionality of multi cloud management centre and also provides echo-efficient policies for the reduction in energy conservation.

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Secure data transmission in ad hoc related wireless networks is an aggressive concept in present node to node communication. Secure energy trade-off between different node communication is also major challenge in wireless ad hoc networks. To provide efficient communication with secure data aware between nodes in ad hoc wireless networks. So that in this paper proposes and introduces Advanced Secure Energy Aware Trade-off Model (ASEATM) for energy trade results in wireless ad hoc networks, also use Elliptic curve cryptography to describe/ provide source authentication with respect to efficient communication in wireless networks. Our experimental results show efficient secure communication in wireless ad hoc networks with comparison to existing approaches in real time scenario.