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Context-aware computing is characterized by the ability of a software system to continuously adapt its behavior to a changing environment over which it has little or no control. Previous work along these lines presumed a rather narrow definition of context, one that was centered on resources immediately available to the component in question, e.g., communication bandwidth, physical location, etc....
The emergence of networked lightweight portable computing devices can potentially enable accessibility to a vast array of remote applications and data. In order to cope with shortage of local resources such as memory, CPU and bandwidth, such applications are typically designed as a thin-client thick-server applications. However, another highly desirable yet conflicting requirement is to support disconnected...
In this state-of-the-art report, we review advances in distributed component technologies, such as the Enterprise JavaBeans (EJB) specification and the CORBA component model (CCM). We assess the state of industrial practice in the use of distributed components. We show several architectural styles for whose implementation distributed components have been used successfully. We review the use of iterative...
This paper is aimed at software engineering practitioners and researchers, who are familiar with object-oriented analysis, design and programming and want to obtain an overview of the technologies that are enabling component-based development. We introduce the idea of component-based development by defining the concept and providing its economic rationale. We describe how object-oriented programming...
Summary form only given. Telecommunication applications are inherently distributed and the interface provided to third party applications is often complex and also distributed. Usually, these third party components need only a subset of the provided data, therefore a simple and standardized access method would be preferred. Such an interface is provided by the Lightweight Directory Access Protocol...
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