Computational Models for Wireless Computing

Internet technology (e.g., web) in conjunction with today’s mobile devices (e.g., laptops, notebooks, personal digital assistants) and the emerging wireless technologies (e.g., digital cellular, packet radio, CDPD) offer the potential for unprecedented access to data and applications by mobile workers. Yet, the limited bandwidth, high latency, high cost, and poor reliability of todays wireless wide-area networks greatly inhibits supporting such applications over wireless networks. A desirable objective of the ideal wireless computational model is the ability to efficiently support existing client/server based applications without any changes to the client or server code in addition to supporting other new type of applications. To support this objective while dealing with the problem of disconnection and to improve response time a new way of structuring the involved computational processes is needed. In "Client/Intercept: a Computational Model for Wireless Environments" along with Andreas Pitsillides we presented the Client/Intercept computational model that makes it possible to efficiently run distributed applications in wide area wireless networks. It compares this model with the client/server model and the emerging client/agent/server communication paradigm. One of the extensions of this work is to study the effect of this new paradigm on transaction processing and mobile commitment.

While other wireless systems, such as Rover and Bayou, use intercept characteristics, none to our knowledge base its formal implementation on the client/intercept model. WebExpress , an IBM offering, is so far the only true client/intercept system, for this see below.

Related Publications

Journals

2004

Constantinos Spyrou, George Samaras, Evangelia Pitoura, Evripidou Paraskevas (2004) "Mobile Agents for Wireless Computing: The Convergence of Wireless Computational Models with Mobile-Agent Technologies", Journal of ACM/Baltzer Mobile Networking and Applications (MONET), special issue on “Mobility in Databases & Distributed Systems ", Volume 9, Issue 5, pp. 517- 528, Oct. 2004

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1998

Barron C. Housel, George Samaras, David B. Lindquist (1998) "WebExpress: A Client/Intercept Based System for Optimizing Web Browsing in a Wireless Environment", Journal of ACM/Baltzer Mobile Networking and Applications (MONET), special issue on "Mobile Networking on the Internet", 3(4): 419-431, December, 1998

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Conferences and Workshops

1999

Constantinos Spyrou, George Samaras, Evangelia Pitoura, Evripidou Paraskevas (1999) "Wireless Computational Models: Mobile Agents to the Rescue", 2nd International Workshop “Mobility in Databases & Distributed Systems” (MDDS’99), pp. 127-133, Florence, Italy, September 1999

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1997

Samaras, G., A. Pitsillides (1997) "Client/Intercept: a Computational Model for Wireless Environments", Proc. 4th International Conference on Telecommunications (ICT'97), Melbourne, Australia, April 1997