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On the Efficiency of Decentralized File Storage for Personal Information Management Systems
arXiv - CS - Performance Pub Date : 2020-07-07 , DOI: arxiv-2007.03505
Mirko Zichichi, Stefano Ferretti, Gabriele D'Angelo

This paper presents an architecture, based on Distributed Ledger Technologies (DLTs) and Decentralized File Storage (DFS) systems, to support the use of Personal Information Management Systems (PIMS). DLT and DFS are used to manage data sensed by mobile users equipped with devices with sensing capability. DLTs guarantee the immutability, traceability and verifiability of references to personal data, that are stored in DFS. In fact, the inclusion of data digests in the DLT makes it possible to obtain an unalterable reference and a tamper-proof log, while remaining compliant with the regulations on personal data, i.e. GDPR. We provide an experimental evaluation on the feasibility of the use of DFS. Three different scenarios have been studied: i) a proprietary IPFS approach with a dedicated node interfacing with the data producers, ii) a public IPFS service and iii) Sia Skynet. Results show that through proper configuration of the system infrastructure, it is viable to build a decentralized Personal Data Storage (PDS).

中文翻译:

个人信息管理系统去中心化文件存储的效率

本文提出了一种基于分布式账本技术 (DLT) 和去中心化文件存储 (DFS) 系统的架构,以支持个人信息管理系统 (PIMS) 的使用。DLT 和 DFS 用于管理配备有传感功能的设备的移动用户感知的数据。DLT 保证对存储在 DFS 中的个人数据的引用的不变性、可追溯性和可验证性。事实上,在 DLT 中包含数据摘要使得获得不可更改的参考和防篡改日志成为可能,同时保持符合个人数据法规,即 GDPR。我们对使用 DFS 的可行性进行了实验评估。已经研究了三种不同的场景:i)专有的 IPFS 方法,具有与数据生产者接口的专用节点,ii) 公共 IPFS 服务和 iii) Sia 天网。结果表明,通过适当配置系统基础设施,构建去中心化的个人数据存储(PDS)是可行的。
更新日期:2020-07-08
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