Attribute-based filtering for embedded systems
Proceedings of the 2nd international workshop on Distributed event-based systems
COSMIC: A real-time event-based middleware for the CAN-bus
Journal of Systems and Software - Special issue: Parallel and distributed real-time systems
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OvG Universität MagdeburgAbstract: This paper compares interaction and communication mechanisms used in distributed control systems, focusing on object-oriented and component-based development. The standard communication model used in distributed object-oriented systems is the remote method invocation. We argue that this client/server oriented model has some severe drawbacks when used in a control system where objects may have to broadcast information, spontaneously communicate environmental changes and where control autonomy is a crucial requirement. Therefore, we compare the traditional way of object invocation with a port-based scheme and the model of event channels. An application scenario from robot control is used to highlight similarities and differences among these mechanisms.