A model for providing solutions to the security issue of the cloud computing environment is addressed in this article by proposing a distributed collaborative trust service recommender (DTSR) system. DTSRs are kept in a distributed manner spread over the clouds, and they are used to extract raw trust from different sources. This trust information is based on the feedback by cloud service user's observation about the adherence of a cloud service provider (CSP) to a service level agreement for the cloud‐based service provided. Using this trust data, the overall trust of CSPs is computed by using collaborative computation. The trust values are propagated among the distributed DTSRs in the network so that the trust values are available to everyone in the cloud environment. Experiments were conducted, which clearly shows that our proposed system is useful in providing a secure multicloud environment.

中文翻译：

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用于安全云计算的分布式协作信任服务推荐系统

本文通过提出分布式协作信任服务推荐器（DTSR）系统解决了为云计算环境的安全问题提供解决方案的模型。DTSR以分布式方式分布在云中，并用于从不同来源提取原始信任。此信任信息基于云服务用户对云服务提供商（CSP）遵守所提供的基于云服务的服务级别协议的观察反馈。使用此信任数据，可以使用协作计算来计算CSP的总体信任度。信任值在网络中的分布式DTSR之间传播，因此信任值可供云环境中的每个人使用。实验进行了，