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Hierarchical transaction concept for runtime adaptation in real-time, networked embedded systems

Presentation held at the International Conference on Emerging Technologies and Factory Automation (EFTA), September 17-21, 2012, Krakau
: Prehofer, Christian; Zeller, Marc

Präsentation urn:nbn:de:0011-n-2525272 (753 KByte PDF)
MD5 Fingerprint: 9605457500377537d56324c5c097d78f
Erstellt am: 8.8.2013

2012, 17 S.
International Conference on Emerging Technologies and Factory Automation (ETFA) <17, 2012, Kraków>
Vortrag, Elektronische Publikation
Fraunhofer ESK ()
runtime adaptation; embedded systems; automotive; hierarchical transaction concept; real-time

In this work, we consider reliable runtime adaptation in networked, embedded systems with tight real-time constraints by adapting the placement of software components on a multitude of hardware components. We show the need for a hierarchical transaction concept in this context. In particular, we consider multiple adaptation steps unter hard system constraints and also introduce a model with undesired configurations, which cannot be maintained for an extended time period. Secondly, we have identified cases when adaptation steps can be performed in parallel. Our concept for adaptations is applied to realistic automotive examples, where the feasibility of adaptation in the inactive period of a software component is demonstrated.