Analyzing and Boosting the Data Availability in Decentralized Online Social Networks

Songling Fu, Ligang He, Xiangke Liao, Chenlin Huang, Kenli Li and Cheng Chang
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Songling Fu: College of Polytechnic, Hunan Normal University, Changsha, China
Ligang He: Department of Computer Science, University of Warwick, Coventry, UK & School of Information Science and Engineering, Hunan University, Changsha, China
Xiangke Liao: School of Computer Science, National University of Defense Technology, Changsha, China
Chenlin Huang: School of Computer Science, National University of Defense Technology, Changsha, China
Kenli Li: School of Information Science and Engineering, Hunan University, Changsha, China
Cheng Chang: School of Information Science and Engineering, Hunan University, Changsha, China

International Journal of Web Services Research (IJWSR), 2015, vol. 12, issue 2, 47-72

Abstract: Maintaining Data Availability (DA) is a big challenge in Decentralized Online Social Networks (DOSN). Nowadays, the limitation of the storage capacity in DOSN becomes a critical factor that jeopardizes the DA. Therefore, it is desired to determine the relation between the storage capacity of DOSN and the level of DA, and develop an approach to mitigating the limitation of storage capacity. This paper addresses these issues. In this paper, a probabilistic DA model over storage capacity is established. A novel method is then proposed to predict the DA on the fly. Further, a Cloud-assisted DOSN (CDOSN) framework is proposed to enhance the storage capacity and the DA in DOSN. This paper conducts the detailed quantitative analysis about the storage capacity and the DA in CDOSN. Extensive simulation experiments have been conducted to evaluate the effectiveness of the DA model, the on-the-fly prediction and the CDOSN framework.

Date: 2015
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Persistent link: https://EconPapers.repec.org/RePEc:igg:jwsr00:v:12:y:2015:i:2:p:47-72

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