Ensenat-Acevedo, Jose F.

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Design, development and implementation of the registration server for nettraveler middleware system
(2004) Ensenat-Acevedo, Jose F.; Rodríguez-Martínez, Manuel; College of Engineering; Rivera-Gallego, Wilson; Rivera-Vega, Pedro; Department of Electrical and Computer Engineering; Steinberg, Lev
In recent years, mobile devices (e.g. cell phones, PDAs, and notebooks) have had a high increase in their networking, computational and storage power. The mobile nature of these devices causes a new set of problems not seen in conventional wired networks. Mobile devices can go o®-line, experience network outages, have batteries with limited power-life, and require energy e±cient components. As users start moving their application to these devices, it becomes to have a middleware infrastructure that should integrate the di®erent data held by mobiles users. Unfortunately, existing middleware technologies are ill-equipped to overcome these new set of problems since they are designed for application that reside in workstations and mainframes. To address these issues, we are developing NetTraveler, a database middleware system to integrate mobile devices reliably in a computer network. In this thesis, we present the Registration Server for NetTraveler. Registration Servers are directory managers, located at cooperative local area networks (LANs) that work together to keep track of moving data sources and route query request as appropriate.