3 mobilecompmodels1

3 mobilecompmodels1 - Mobile Computing Models Mobile...

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Mobile Computing Models Mobile Computing - CNT 5517-5564 Dr. Sumi Helal Professor Computer & Information Science & Engineering Department University of Florida, Gainesville, FL 32611 helal@cise.ufl.edu
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2 Reading Materials 5.1: J. Jing, A. Helal, A. Elmagarmid, "Client-Server Computing in Mobile Environments," ACM Computing Surveys, June 1999. 5.2: B. Noble, M.Satyanarayanan, D. Narayanan, J. Tilton, J. Flinn, K. Walker "Agile Application-Aware Adaptation for Mobility," Proceedings of the Sixteenth ACM Symposium on Operating Systems. 5.3: M. Ebling and M. Satyanarayanan, "On the Importance of Translucence for Mobile Computing," Proceedings of the 15th ACM Symposium on Operating Systems Principles, May 1998, , CO 5.4: A. Joseph and M. Kaashoek, "Building Reliable Mobile-Aware Applications using the Rover Toolkit," To appear in ACM Wireless Networks (WINET). 5.5: R. Gray, D. Kotz, S. Nog, D. Rus, and G. Cybenko, "Mobile Agents for Mobile omputing," Technical Report PCS-TR96-285, Dept. of Computer Science, Dartmouth College, May 1996. 5.6: B. Zenel and D. Duchamp, "A General Purpose Proxy Filtering Mechanism Applied to the Mobile Environment," Proceedings of the third annual ACM/IEEE Conference on Mobile Computing and Networking, Sept. 1997.
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3 Reading Materials 5.7 Data Dissemination: 5.7.1: S. Zdonik, M. Franklin, S. Acharya, and R. Alonso, "Are ``Disks in the Air'' Just Pie in the Sky?," Proceedings of the IEEE Workshop on Mobile Computing Systems Applications, Santa Cruz, CA, December 1994 5.7.2: S. Acharya, R. Alonso, M. Franklin and S. Zdonik,"Broadcast Disks: Data Management for Asymmetric Communication Environments," Proceedings of the ACM SIGMOD, Conference, San Jose, CA, May 1995. 5.7.3: S. Hameed and N. Vaidya, "Log-time Algorithms for Scheduling Single and Multiple Channel Data Broadcast," Proceedings of the third annual ACM/IEEE Conference on Mobile Computing and Networking, Sept. 1997. 5.8 Client/Server Caching: 5.8.1: J. Jing, A. Elmagarmid, A. Helal, and R. Alonso, Bit-Sequences, "An Adaptive Cache Invalidation Method in Mobile Client/Server Environments," the ACM-Baltzer Journal on Special Topics in Mobile Networks and Applications (MONET), Volume 2, Number 2, pp115-127, October 1997 5.8.2: H. Lei and D. Duchamp, "An analytical approach to file prefetching," USENIXAnnual Technical Conference, 1997.
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4 Mobile Computing Models • Hierarchy of Computing Models • Taxonomy of Client/Server Adaptations – Unaware Client/Server Model – Client/Proxy/Server Model – Thin Client/Server Model – Disconnected Operation – Dynamic Client/Server Models – Mobile Agents – Opportunistic Computing Model
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5 Hierarchy of Models Fixed Network Servers and clients Mobile Workflow Mobile Client Mobile Transaction Mobile Query Mobile Client Ad-hoc Mobile Server Client/Server
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6 Review: Client/Server Computing Request Reply Cache Coherency : - cache invalidation - update propagation client cache Client Server Client State TLI RPC Sockets RMI Fixed Network server cache TLI RPC Sockets RMI
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