Blockchain-based network slice broker to facilitate factory-as-a-service
Hewa, Tharaka; Porambage, Pawani; Kovacevic, Ivana; Weerasinghe, Nisita; Harjula, Erkki; Liyanage, Madhusanka; Ylianttila, Mika
T. Hewa et al., "Blockchain-Based Network Slice Broker to Facilitate Factory-As-a-Service," in IEEE Transactions on Industrial Informatics, vol. 19, no. 1, pp. 519-530, Jan. 2023, doi: 10.1109/TII.2022.3173928.
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https://urn.fi/URN:NBN:fi-fe2022111465569
Tiivistelmä
Abstract
The novel concept of factory-as-a-service (FaaS) allows the agility of adapting the manufacturing process by identifying the industry’s supply chain and user requirements. To cater to FaaS, flexibility in networking and cloud services is a must. 5G network slice broker (NSB) is a third-party mediator that caters to networking resource demand from clients to the service providers. Thus, this article introduces a secure blockchain-based NSB to facilitate FaaS. The proposed secure NSB (SNSB) provides secure, cognitive, and distributed network services for resource allocation and security service level agreement (SSLA) formation with coordination of slice managers and SSLA managers. In SNSB, we introduce a federated slice selection algorithm with Stackelberg game model and reinforcement learning algorithm to compute the real time and the optimal unit price and demand level. We provide an extensive implementation and performance evaluation of SNSB using the slice manager and a custom SSLA manager.
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