Deployment of context-aware component-based applications based on middleware

  • Authors:

  • Di Zheng;Jun Wang;Yan Jia;Wei-Hong Han;Peng Zou

  • Affiliations:

  • School of Computer Science, National University of Defence Technology, Changsha, Hunan, China;School of Computer Science, National University of Defence Technology, Changsha, Hunan, China;School of Computer Science, National University of Defence Technology, Changsha, Hunan, China;School of Computer Science, National University of Defence Technology, Changsha, Hunan, China;School of Computer Science, National University of Defence Technology, Changsha, Hunan, China

  • Venue:
  • UIC'07 Proceedings of the 4th international conference on Ubiquitous Intelligence and Computing
  • Year:
  • 2007

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Abstract

Ubiquitous computing allows application developers to build a large and complex distributed system that can transform physical spaces into computationally active and intelligent environments. Ubiquitous applications need a middleware that can detect and act upon any context changes created by the result of any interactions between users, applications, and surrounding computing environment for applications without users' interventions. The context-awareness has become the one of core technologies for application services in ubiquitous computing environment and been considered as the indispensable function for ubiquitous computing applications. The need for high quality context management is evident to the component-based middleware for it forms the basis of the component adaptation and the component deployment in the pervasive computing. Adaptive deployment is a key factor for the deployment in mobile environments and deployed applications have to be suited to different contexts such as the user requirements, the resources of his terminal and the surrounding environment. Therefore, we put forward a middleware based deployment approach for the context-aware component-based applications so as to make these applications can be adapted more easily than traditional applications by simply adding and deleting components.