University of Oulu

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.

Blockchain-based network slice broker to facilitate factory-as-a-service

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Author: Hewa, Tharaka1; Porambage, Pawani1; Kovacevic, Ivana2;
Organizations: 1Center for Wireless Communications, University of Oulu, Finland
3School of Computer Science, University College Dublin, Ireland
4Department of Electrical and Information Engineering, University of Ruhuna, Galle, Sri Lanka
Format: article
Version: accepted version
Access: open
Online Access: PDF Full Text (PDF, 4.4 MB)
Persistent link:
Language: English
Published: Institute of Electrical and Electronics Engineers, 2023
Publish Date: 2022-11-14


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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Series: IEEE transactions on industrial informatics
ISSN: 1551-3203
ISSN-E: 1941-0050
ISSN-L: 1551-3203
Volume: 19
Issue: 1
Pages: 519 - 530
DOI: 10.1109/tii.2022.3173928
Type of Publication: A1 Journal article – refereed
Field of Science: 213 Electronic, automation and communications engineering, electronics
Funding: This work is supported by Academy of Finland in 6Genesis Flagship (grant no. 318927) Project, SFI Connect Center (13/RC/2077 P2) , and EU in INSPIRE-5Gplus Project (grant no. 871808).
EU Grant Number: (871808) INSPIRE-5Gplus - INtelligent Security and PervasIve tRust for 5G and Beyond
Academy of Finland Grant Number: 318927
Detailed Information: 318927 (Academy of Finland Funding decision)
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