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Final Thesis: Fehlertoleranzanalyse von Microservice basierten Softwarearchitekturen – Konzept und Anwendung am JValue ODS

Abstract: Microservice-based software architectures play an essential role in building sizeable scalable cloud systems. The main advantage of microservices compared to the traditional software monoliths is the independent development, deployment, and scaling of the individual microservices, which allows innovations at a higher speed. Because microservice-based architectures are distributed systems, complexity is shifted from code to the network and communication layer. Therefore, additional failures like service outage or network connectivity loss arise, which must be tolerated to keep the system healthy and running. Within this thesis, a reusable concept is developed to analyse the fault tolerance of microservice-based software architectures. This allows for revealing weaknesses in the architecture that negatively affects the system’s reliability and resilience. For frequent problems, solution proposals are provided. The concept’s applicability and effectiveness are evaluated by applying it at the JValue Open Data Service (ODS). The analysis revealed several issues regarding the ODS’s fault tolerance, which could be fixed with the provided solutions.

Keywords: Microservices, fault tolerance, dependency graph, transactional outbox pattern

PDF: Master Thesis

Reference: Jonas Schüll. Fehlertoleranzanalyse von Microservice basierten Softwarearchitekturen – Konzept und Anwendung am JValue ODS. Master Thesis. Friedrich-Alexander-Universität Erlangen-Nürnberg: 2021.


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