Abstract
The Industrial Internet of Things (IIoT) aims to greatly improve the existing production procedures, enhancing customer experiences, reducing costs and increasing efficiency. IIoT will make a significant impact on existing business models in several areas. However, IIoT has several issues related to the security of the information and the excessive centralization which creates single point of failures, poor performance and scalability. Therefore, we introduce an Industry 4.0 case scenario, and, on top of it we propose a multi-layer distributed ledger architecture for IIoT that combines various types of Distributed Ledger Technologies (DLTs) in order to deliver a lightweight and efficient solution for Industry 4.0. However, in this paper we only focus on the design of the first layer of the architecture. We design a lightweight Directed Acyclic Graph (DAG) DLT architecture and propose several improvements regarding the lightweight devices participation, data storage, cryptography and consensus.
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Stefanescu, D., Galán-García, P., Montalvillo, L., Unzilla, J., Urbieta, A. (2022). Towards a Holistic DLT Architecture for IIoT: Improved DAG for Production Lines. In: Prieto, J., Partida, A., Leitão, P., Pinto, A. (eds) Blockchain and Applications. BLOCKCHAIN 2021. Lecture Notes in Networks and Systems, vol 320. Springer, Cham. https://doi.org/10.1007/978-3-030-86162-9_18
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DOI: https://doi.org/10.1007/978-3-030-86162-9_18
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