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Supported by an automated runtime management system even critical applications, like healthcare applications, can be build upon the interaction with ambient services. They are provided by mobile resource-constrained devices and subject to frequently changing environmental conditions and exceptions. The runtime management has to ensure stable bindings between interacting services and applications,...
Today we live in an environment surrounded with networked converging devices. Human computer interactions are becoming personalized and a new concept of a global and cross-domain platform is emerging to exploit the full potential of the network in all business areas. In this convergence process, the software platform should be able to personalize itself dynamically in devices according to the context...
In the context of the automated technical management of distributed ambient-assisted-living healthcare systems, we employ high-level policies which describe the abstract requirements of the system from the use cases point of view. At runtime, an efficient low-footprint management system is used which executes low-level management rules of the event-condition-action type. The rules represent the low-level...
Intelligent connected devices become a more vital part of our lives. In contrast to prior years, today embedded systems and devices are loosely coupled and cooperate with each other according to changing objectives. Following the service-oriented architectural style, the approach of so called device-based service systems emerges. The challenge is to build and manage these systems in a reliable, secure,...
Bringing heterogeneous devices like industrial machines, home appliances, and wireless sensors into the Web assumes the usage of well-defined standards and protocols. Our approach combines the Web Service standard for devices DPWS with the embedded system and component management standard OSGi. It implements the specifications of OSGi Remote Services, as well as OASIS Discovery, Eventing, SOAP-over-UDP,...
The presented policy-based management system supports autonomous control and adaptation of a distributed system according to changing conditions and requirements by means of event-condition-action (ECA) rules. Furthermore, it supports policy-aware application programming. Application components can request evaluations of policy expressions and decisions in order to govern their behavior depending...
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