Mobile computing
Humboldt-Universität zu Berlin
Notebooks are replacing other personal computers in everyday use. Efficient use of such mobile devices requires a creation of an "illusion" of permanent high speed on-line connection. Infrastructure support including middle-ware services is necessary for such environment. E-mail, (distributed) filesystems or computational experiment steering are examples of services which utility is qualitatively increased by such a support. A model of middle-ware support that is based on tunneling and caching is presented. It is also shown how the requirements for mobile computing support are in many aspects analogous to those needed to build large scale GRID systems. Information systems, services discovery, and security issues are discussed.
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