Nico Herzberg Christoph Hochreiner Oliver Kopp Jörg Lenhard ZEUS th ZEUS Workshop, ZEUS , Dresden, Germany, – February Proceedings Volume Editors Nico Herzberg SAP SE, Ausbildungsleitung SAP Dresden Postplatz , DE- Dresden nico.herzberg@sap.com Christoph Hochreiner TU Wien, Distributed Systems Group Karlsplatz , AT- Wien c.hochreiner@infosys.tuwien.ac.at Oliver Kopp University of Stuttgart, Institute for Parallel and Distributed Systems Universitätsstraße , DE- Stuttgart oliver.kopp@ipvs.uni-stuttgart.de Jörg Lenhard Karlstad University, Department of Mathematics and Computer Science Universitetsgatan , SE- Karlstad joerg.lenhard@kau.se Copyright © for the individual papers by the papers’ authors. Copying permitted only for private and academic purposes. This volume is published and copyrighted by its editors. Preface In February , we had the pleasure to organize the th edition of the ZEUS Workshop in Dresden, Germany. This workshop series offers young researchers an opportunity to present and discuss early ideas and work in progress as well as to establish contacts among young researchers. For this year’s edition, we selected eight regular submissions, two position papers, and one tool demonstration by researchers from Belgium, Egypt, Germany, Italy, and Switzerland for presentation at the workshop. Each submission went through a thorough peer-review process and was assessed by at least three members of the program committee with regard to its relevance and scientific quality. The accepted contributions cover the areas of Microservices, Business Process Management, and the Internet of Things. In addition, the workshop also hosted a tool session to introduce early stage researchers to tools that ease the literature research and the documentation of architectural decisions for software systems. The workshop program was further enriched by a keynote held by Prof. Dr. Gerhard P. Fettweis on the topic G mobile service – first steps of the era after IoT to Tactile Internet. Furthermore, the workshop participants were invited to visit the Industrial Internet of Things Test Bed at University of Applied Sciences in Dresden, the Blockchain Meetup Saxony at SAP Dresden, and the Volkswagen Transparent Factory. The best presentation award was given to Justus Bogner from the Herman Hollerith Center Böblingen, for his presentation of the paper Analyzing the Relevance of SOA Patterns for Microservice-Based Systems. The workshop was generously sponsored by SAP SE. Dresden, February Nico Herzberg Christoph Hochreiner Jörg Lenhard Oliver Kopp Organization Steering Committee Oliver Kopp University of Stuttgart Jörg Lenhard Karlstad University Christoph Hochreiner TU Wien Local Organizer Nico Herzberg SAP SE Program Committee Chairs Nico Herzberg SAP SE Christoph Hochreiner TU Wien Oliver Kopp University of Stuttgart Jörg Lenhard Karlstad University Program Committee Saimir Bala Vienna University of Economics and Business Felix W. Baumann TWT GmbH Science & Innovation Domenico Bianculli University of Luxembourg Daniele Bonetta Oracle Labs Jürgen Cito University of Zurich Vincenzo Ferme USI Lugano Alessio Gambi Saarland University Matthias Geiger University of Bamberg Georg Grossmann University of South Australia Simon Harrer University of Bamberg Thomas Heinze University of Jena Pascal Hirmer University of Stuttgart Christoph Hochreiner TU Wien Conrad Indiono University of Vienna Meiko Jensen ULD Schleswig-Holstein Stefan Kolb University of Bamberg Oliver Kopp University of Stuttgart Jörg Lenhard Karlstad University Daniel Lübke Leibniz Universität Hannover Matteo Nardelli University of Rome Tor Vergata Jan Sürmerli Humboldt University of Berlin Subreviewers Robin Lichtenthäler University of Bamberg Stefan Winzinger University of Bamberg Sponsoring Institutions SAP Deutschland AG Table of Contents Challenges and Solutions of Microservices Architecture: A Survey on the State of the Practice . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Ghofrani Javad and Daniel Lübke Analyzing the Relevance of SOA Patterns for Microservice-Based Systems Justus Bogner, Alfred Zimmermann and Stefan Wagner Mutation Testing for Microservices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Stefan Winzinger The Chances of including Extrinsic Factors in Business Process Management Christian Sturm Schritte zu einer zertifizierten Informationsflussanalyse von Geschäftsprozessen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Thomas Heinze RBPSim: A Resource-aware Extension of BPSim Using Workflow Resource Patterns . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Nehal Afifi, Ahmed Awad and Hisham Abdelsalam Supporting IoT Application Middleware on Edge and Cloud Infrastructures Sven Akkermans, Stefanos Peros, Nicolas Small, Wouter Joosen and Danny Hughes Towards Decentralized Auto-Scaling Policies for Data Stream Processing Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Gabriele Russo Russo Markdown Architectural Decision Records: Format and Tool Support . . . . Oliver Kopp, Anita Armbruster and Olaf Zimmermann CloudRef – Towards Collaborative Reference Management in the Cloud . . Oliver Kopp, Uwe Breitenbücher and Tamara Müller