SelCSP: A Framework to Facilitate Selection of Cloud Service Providers

被引:78
作者
Ghosh, Nirnay [1 ]
Ghosh, Soumya K. [1 ]
Das, Sajal K. [2 ]
机构
[1] Indian Inst Technol, Sch Informat Technol, Kharagpur 721302, W Bengal, India
[2] Missouri Univ Sci & Technol, Dept Comp Sci, Rolla, MO 65409 USA
基金
美国国家科学基金会;
关键词
Cloud; service provider; trust; reputation; relational risk; performance risk; competence; service level agreement; control; transparency; TRUST; RISK; SECURITY;
D O I
10.1109/TCC.2014.2328578
中图分类号
TP [自动化技术、计算机技术];
学科分类号
0812 ;
摘要
With rapid technological advancements, cloud marketplace witnessed frequent emergence of new service providers with similar offerings. However, service level agreements (SLAs), which document guaranteed quality of service levels, have not been found to be consistent among providers, even though they offer services with similar functionality. In service outsourcing environments, like cloud, the quality of service levels are of prime importance to customers, as they use third-party cloud services to store and process their clients' data. If loss of data occurs due to an outage, the customer's business gets affected. Therefore, the major challenge for a customer is to select an appropriate service provider to ensure guaranteed service quality. To support customers in reliably identifying ideal service provider, this work proposes a framework, SelCSP, which combines trustworthiness and competence to estimate risk of interaction. Trustworthiness is computed from personal experiences gained through direct interactions or from feedbacks related to reputations of vendors. Competence is assessed based on transparency in provider's SLA guarantees. A case study has been presented to demonstrate the application of our approach. Experimental results validate the practicability of the proposed estimating mechanisms.
引用
收藏
页码:66 / 79
页数:14
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