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http://dx.doi.org/10.30693/SMJ.2022.11.3.39

A Fog-based IoT Service Interoperability System using Blockchain in Cloud Environment  

Kim, Mi Sun (목포대학교 정보보호학과)
Park, Yong Suk (목포대학교 정보보호기술학협동과정)
Seo, Jae Hyun (목포대학교 정보보호학과)
Publication Information
Smart Media Journal / v.11, no.3, 2022 , pp. 39-53 More about this Journal
Abstract
Cloud of Things (CoT) can provide IoT applications with unlimited storage functions and processing power supported by cloud services. However, in a centralized cloud of things, it can create a single point of failure that can lead to bottleneck problems, outages of the CoT network. In this paper, to solve the problem of centralized cloud of things and interoperate between different service domains, we propose an IoT service interoperability system using distributed fog computing and blockchain technology. Distributed fog is used to provide real-time data processing and services in fog systems located at a geographically close distance to IoT devices, and to enable service interoperability between each fog using smart contracts and distributed ledgers of the blockchain. The proposed system provides services within a region close to the distributed fog entrusted with the service from the cloud, and it is possible to access the services of other fogs without going through the cloud even between fogs. In addition, by sharing a service right token issuance information between the cloud and fog nodes using a blockchain network, the integrity of the token can be guaranteed and reliable service interoperability between fog nodes can be performed.
Keywords
Cloud of Things; Fog Computing; Blockchain; Service Interoperability;
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Times Cited By KSCI : 5  (Citation Analysis)
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