Fog computing‐based privacy preserving data aggregation protocols,Transactions on Emerging Telecommunications Technologies

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Fog computing‐based privacy preserving data aggregation protocols
Transactions on Emerging Telecommunications Technologies ( IF 2.5 ) Pub Date : 2020-03-04 , DOI: 10.1002/ett.3900
Feyza Yildirim Okay ₁ , Suat Ozdemir ₁ , Yang Xiao ₂

Affiliation

As the number of active Internet of Things (IoT) devices increases, managing and securing the enormous amount of data generated by these devices become harder. With their always‐connected smart meters and internet‐enabled electrical appliances, smart grids (SGs) are major data generation sources in IoT. Traditional SGs store and process their collected data in centralized cloud servers. Secure data aggregation (SDA) protocols play an essential role in efficient and private data collection and storage in cloud‐based SGs. Due to a high number of connected devices, centralized cloud‐based SGs may become inadequate to satisfy the processing and storage needs of the collected data. This article introduces two efficient and lightweight SDA protocols for fog computing‐based SGs (FCSG), namely, FCSG‐DF and FCSG‐P, as a complementary solution for processing and storage needs of cloud‐based SGs. By leveraging the distributed nature and other extended capabilities of fog computing, the proposed SDA protocols have a better response time with less computational overhead. Moreover, the privacy of fine‐grained energy consumption data is preserved with the help of the privacy‐preserving data aggregation processes in the hierarchical fog computing structure of FCSG. Extensive performance evaluation results demonstrate that the proposed protocols have superiority in terms of data transmission and storage efficiency compared to cloud‐assisted schemes without data aggregation. Both protocols are analyzed by comparing their success in transmission and storage efficiencies. Moreover, privacy analysis verifies that both protocols effectively ensure the privacy of the data in each layer.

中文翻译：

基于雾计算的隐私保护数据聚合协议

随着活动的物联网（IoT）设备数量的增加，管理和保护这些设备生成的大量数据变得越来越困难。凭借始终连接的智能电表和支持互联网的电器，智能电网（SG）是物联网的主要数据生成来源。传统SG在集中式云服务器中存储和处理其收集的数据。安全数据聚合（SDA）协议在基于云的SG中高效，私有数据收集和存储中起着至关重要的作用。由于连接的设备数量众多，基于云的集中式SG可能不足以满足所收集数据的处理和存储需求。本文介绍了两种基于雾计算的SG（FCSG）的高效轻量级SDA协议，即FCSG-DF和FCSG-P，作为满足基于云的SG的处理和存储需求的补充解决方案。通过利用雾计算的分布式性质和其他扩展功能，提出的SDA协议具有更好的响应时间和更少的计算开销。此外，借助FCSG分层雾计算结构中的隐私保护数据聚合过程，可以保留细粒度能耗数据的隐私。广泛的性能评估结果表明，与没有数据聚合的云辅助方案相比，该协议在数据传输和存储效率方面具有优势。通过比较两种协议在传输和存储效率方面的成功来分析这两种协议。此外，

更新日期：2020-03-04

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