Mobile cloud computing uses features to deliver outsourcing data to remotely available mobile devices.\nHowever, the flexible nature of the mobile device is a critical challenge for the mobile cloud computing\nenvironment. The mobile phone significantly degrades the data transfer performance when initiating the\nhandover process. Thus, an energy-efficient handover process could improve the quality of service (QoS).\nHere, we introduce a secure energy-efficient and quality-of-service architecture (EEQoSA) for the handover\nprocess in the mobile cloud computing environment. The proposed architecture involves four layers:\napplication, the Internet protocol multimedia subsystem (IPMS), communication, and media with\nconnectivity layers.\nThese four layers collectively handle the energy-efficiency, security and QoS parameters. Existing serviceoriented\narchitectures designed for mobile cloud computing are based on the symmetric encryption\ncryptography to support different media services. However, this approach easily allows an adversary to expose\nthe symmetric key and gain access to private data. Thus, our proposed architecture uses the secure and\nstrong authentication (SSA) process at the IPMS layer by protecting the media services from unauthorized\nusers, as the IPMS is the central layer that could be the entry point for an adversary. Furthermore, to extend\nthe mobile lifetime during the handover process, an energy detection (ED) model is deployed at the\ncommunication layer to detect the energy level of the mobile device prior to the handover initialization\nprocess. The media with the connectivity layer supports the secure handover process using a priority\nenforcement module that allows only legitimate users to complete the\nre-registration process after initiating the handover. Finally, the architecture is tested using the CloudSim\nsimulation environment and validated by a comparison with other known service-oriented architectures.
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