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Title: S4: An SLA-aware Short-Secret-Sharing cloud storage system
Authors: 郭耀煌
Chuang, I-Hsun
Huang, Yu-Ting
Su, Wei-Tsung
Lin, Tung-Sheng
Kuo, Yau-Hwang
Contributors: 資訊科學系
Keywords: Costs;Network architecture;Quality of service;Client requirement;Cloud storage systems;Comparison result;Maintenance cost;Outsourced datum;Secret sharing;Service level agreement (SLAs);Service Level Agreements;Digital storage
Date: 2015-08
Issue Date: 2017-08-09 17:27:17 (UTC+8)
Abstract: Nowadays, data owners tend to outsource their data to cloud storage systems to reduce maintenance costs. Because the outsourced data are no longer under control, data owners usually concern the security, availability, access performance, and storage costs of their data. Generally, data owners can deliver their concerns to service providers through establishing service level agreements (SLAs). However, existing service providers usually provide inflexible SLAs leading to the unsatisfactory services. In this paper, practical and fine-grained SLA elements are first defined to address various requirements on client concerns. Then, the short-secret-sharing (SSS) cloud storage system adopted these SLA elements is proposed to provide clients a secure and reliable storage service. Nevertheless, as the parameters, (n, k), of SSS technique have significant influence on client concerns, we further derives the influenced models between parameters and client concerns. Based on these influenced models, the SLA-aware Short-Secret-Sharing cloud storage system (S4) can obtain suitable parameters to provide clients their desired services using minimal costs. A case study is provided to present the service flow under a general scenario and demonstrates that S4 can fulfill various client requirements. Comparison result shows that the cost paid to S4 is less than that of existing cloud storage providers. © 2015 IEEE.
Relation: International Conference on Ubiquitous and Future Networks, ICUFN, 2015-August, 401-406
Data Type: conference
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