A scalable, distributed middleware service architecture to support mobile internet applications

  • Authors:

  • Thomas Phan;Richard Guy;Rajive Bagrodia

  • Affiliations:

  • The University of California at Los Angeles, 3809 Boelter Hall, Los Angeles, CA;The University of California at Los Angeles, 3809 Boelter Hall, Los Angeles, CA;The University of California at Los Angeles, 3531F Boelter Hall, Los Angeles, CA

  • Venue:
  • WMI '01 Proceedings of the first workshop on Wireless mobile internet
  • Year:
  • 2001

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Abstract

Middleware layers placed between user clients and applicationservers have been used to perform a variety of functions. Inprevious work we have used middleware to perform a new capability,application session handoff, using a single Middleware Server toprovide all functionality. However, to improve the scalability ofour architecture, we have designed an efficient distributedMiddleware Service layer that properly maintains applicationsession handoff semantics while being able to service a largenumber of clients. We show that this service layer improves thescalability of general client-to-application server interaction aswell as the specific case of application session handoff. We detailprotocols involved in performing handoff and analyse animplementation of the architecture that supports the use of a realmedical teaching tool. From experimental results it can be seenthat our Middleware Service effectively provides scalability as aresponse to increased workload.