Middleware for building adaptive migratory continuous media applications

Tatsuo Nakajima, Hiroyuki Aizu

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

In this paper, we propose a middleware system for building adaptive migratory continuous media applications. In future computing environments, a variety of objects at home and in offices will embed computers, and various applications will be moved among these computers according to the user's locations. For example, a computer that executes an application may be changed to another computer according to the location of the application's user for monitoring his behavior. However, since the computers may have dramatically different hardware and software configurations, the application cannot be moved without taking into account the configurations of the computers that the application is migrated. Therefore, migratory applications should be aware of environments where they are executed. The paper focuses on middleware for building adaptive migratory continuous media applications that are one of the most important classes of migratory applications. Our middleware consists of three components. The first component is an environment server that monitors computing environments that applications run, and it notifies the changes of the environments to the applications. The second component is a continuous media toolkit that enables us to build adaptive migratory continuous media applications easily. The toolkit enables us to build continuous media applications in a highly configurable way. This makes applications to be adapted to every computing environment by changing their configurations. The third component is a migration manager that makes applications migratory. We also show an example of a migratory application, and describe some experiences with building the application.

Original languageEnglish
Pages (from-to)83-107
Number of pages25
JournalInternational Journal of Software Engineering and Knowledge Engineering
Volume11
Issue number1
DOIs
Publication statusPublished - 2001 Feb 1

Keywords

  • Adaptive software
  • Context-awareness
  • Continuous media applications
  • Environment server
  • Migratory applications
  • Mobile agents
  • Real-Time Mach

ASJC Scopus subject areas

  • Software
  • Computer Networks and Communications
  • Computer Graphics and Computer-Aided Design
  • Artificial Intelligence

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