Alagumani Selvaraja* and Subashini Sundararajana

aVIT University, Chennai Campus, India.


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ABSTRACT


Cloud is a highly distributed environment which enables the sharing of computing resources as services to the users on demand. Trust management plays a vibrant role in distributed computing environments where most of the interactions are likely to be take place in an anonymous manner. The trust management for cloud services is a challenging process due to the dynamic nature and distributed environment of the cloud. As the dynamic nature of cloud paves way for variations in the performance of the service, constant scrutinizing of service attributes is essential for the conformance of service agreement. This paper proposes a dynamic trust evaluation system for cloud services which act as an effective means to make trust judgment using quality of service as attributes. The evaluation process considers time as a major influencing factor in the estimation of trust value and the quality attributes are monitored and quantified at different time slots. The global trust value is derived by the aggregation of trust values at different time slots and that is done dynamically at randomized time intervals. The system adopts dynamic weighting approach to give weightage to the time slots. The system is validated and implemented by setting up a cloud environment and results are discussed.


Keywords: Cloud computing; dynamic trust management; IaaS services; quality attributes; weight calculation.


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ARTICLE INFORMATION


Received: 2018-07-13
Revised: 2020-01-13
Accepted: 2020-01-13
Publication Date: 2020-03-01


Cite this article:

Selvaraj A., Sundararajan S. 2020. Dynamic multi attribute trust evaluation system for IaaS services. International Journal of Applied Science and Engineering, 17, 1–10. https://doi.org/10.6703/IJASE.202003_17(1).001