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Erschienen in:
2021 | OriginalPaper | Buchkapitel
Improved Scalability of Vehicle Diagnostic Software: Advantages of Service-Oriented Architecture
verfasst von : Lorenz Görne, M.Sc., Prof. Dr.-Ing. Hans-Christian Reuss
Erschienen in: 21. Internationales Stuttgarter Symposium
Verlag: Springer Fachmedien Wiesbaden
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Abstract
The increasing number of functions in modern vehicle leads to an exponential increase in software complexity. The validity and reliability of all components must nevertheless be ensured, making the use of appropriate vehicle diagnostics systems indispensable. The demands on the software of those systems have become dynamic and multifaceted. This paper proposes the approach of service-oriented software architecture as an answer to increased complexity and flexibility of a vehicle diagnostic system.
In order to offer competitive diagnostic tools, new requirements must be implemented and offered as quickly as possible. Instead of a monolithic software package that is fixed when the tester is delivered, the diagnostic system breaks down complex functionality into “services” that are less restrictively interconnected. It is important to have a forward-looking design that defines the interfaces and leaves room for changes later-on.
Strict modularization made it possible to realize a new type of vehicle diagnostic system that can offer versatile tester functions such as interactive vehicle diagnostics or monitoring and recording of vehicle CAN-bus and other communication and reaction to events. These functions are independent and run in parallel, and can thus be optimally adapted to customer requirements.