AWSM: infrastructure for adaptive web service migration

  • Authors:
  • Holger Schmidt;Rüdiger Kapitza;Franz J. Hauck;Hans P. Reiser

  • Affiliations:
  • Institute of Distributed Systems, Ulm University, Germany;Dept. of Comp. Sciences, Informatik, University of Erlangen-Nürnberg, Germany;Institute of Distributed Systems, Ulm University, Germany;LaSIGE, Departamento de Informática, University of Lisboa, Portugal

  • Venue:
  • OTM'07 Proceedings of the 2007 OTM confederated international conference on On the move to meaningful internet systems - Volume Part I
  • Year:
  • 2007

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Abstract

Ubiquitous computing applications have to cope with a highly dynamic and heterogeneous infrastructure. Thus, software must be able to adapt dynamically and react to the environment. Furthermore, it should be platform and language independent. We propose an infrastructure for stateful self-adaptive migratable Web services for implementing ubiquitous computing applications. Our infrastructure allows location-transparent, stateful migration at runtime. Unlike related work, we introduce location-independent Web service references. Our Web services support adaptation to the application context by being able to dynamically change the interface, locally available state and implementation at the same time. The concept can be transferred to any Web service platform as we build on top of standard Web service technology.