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Broker based trust architecture for federated healthcare cloud system

机译:联合医疗云系统的基于代理的信任架构

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摘要

Cloud healthcare is the challenging, growing exponentially and heterogeneous technical environment involving various roles such as medical practitioners, pharmacists, patients and IT professionals to access the information through different technologies and types of devices. In this paper, federated healthcare cloud broker architecture is proposed where the independent health service providers can be integrated together to form a large healthcare federation, fulfill the requirements of users by sharing the available resources at different locations with affordable prices and provides Quality of Service (QoS) to all end users. Different trust mechanisms such as Policy based trust; SLA verification trust and reputation based trust are computed to ensure the security and privacy of the users, who accessing the services in the proposed architecture. Service Measurement Index (SMI) attributes suggested by the Cloud Service Index Measurement Consortium (CSIMC) used to calculate trust values of the health provider, based on the calculated trust value, the selection is proposed for the specific request that helps to improve the reliability, security and privacy. To resolve the strict treatment of the differentiated module, a new mechanism is suggested as Patient Turned Queuing Scheduling (PTQS) to resolve the possibility of starvation happening in the existing differentiated modules. Simulation results show that the performance of the proposed mechanism is better than the existing random provider and feedback based selection mechanism in the related works.
机译:云医疗保健是一个充满挑战的,呈指数级增长且异构的技术环境,涉及各种角色,例如从业人员,药剂师,患者和IT专业人员,以通过不同的技术和设备类型访问信息。本文提出了一种联合医疗云代理架构,其中可以将独立的医疗服务提供商集成在一起以形成一个大型医疗联盟,通过以可承受的价格共享不同位置的可用资源来满足用户的需求,并提供服务质量( QoS)。不同的信任机制,例如基于策略的信任;计算SLA验证信任和基于信誉的信任,以确保访问提出的体系结构中的服务的用户的安全性和隐私性。由Cloud Service Index Measurement Consortium(CSIMC)建议的Service Measurement Index(SMI)属性,用于计算运行状况提供者的信任值,基于计算出的信任值,建议针对特定请求进行选择,以帮助提高可靠性,安全和隐私。为了解决对差异化模块的严格处理,提出了一种新的机制,即患者排队队列调度(PTQS),以解决现有差异化模块中发生饥饿的可能性。仿真结果表明,在相关工作中,该机制的性能优于现有的随机提供者和基于反馈的选择机制。

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