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From monolith to microservices

A container-based en 61131-3 architecture
: Tasci, Timur; Walker, M.; Riedel, Oliver

Xu, Xun (Ed.):
48th International Conference on Computers & Industrial Engineering, CIE 2018 : Auckland, New Zealand, 2-5 December 2018
Red Hook/NY: Curran Associates, 2019
ISBN: 978-1-5108-7739-9
International Conference on Computers & Industrial Engineering (CIE) <48, 2018, Auckland>
Bundesministerium für Bildung und Forschung BMBF (Deutschland)
Innovationen für die Produktion, Dienstleistung und Arbeit von morgen; 02K14A060; MultiCloud
Multicloud-basierte Dienstleistungen für die Produktion
Conference Paper
Fraunhofer IAO ()

Internet-of-Things is gaining importance in the field of industrial automation. Furthermore, for long-term success in dynamic markets producing companies need more and more agile and flexible production systems. Therefore, Programmable Logic Controllers (PLCs) as main parts of automation in production systems also need to become more flexible. Today’s PLCs are monolithic and therefore can only deployed as a single piece of software. In this paper, we present a container-based real-time-capable modularized control architecture that uses messaging for inter-module communication and introduces a hardware abstraction layer, in order to increase flexibility, reusability, portability and maintainability. With a benchmark performed on a prototypical implementation, we validate the feasibility of the proposed architecture for practical real-time automation tasks.