| Mark Weiser. The computer for the twenty- rst century. In Scienti c American, September 1991. |
....pocket PCs, wireless technologies. The Internet has also enabled us to network all the computing devices together. We are now moving towards a new era of a world without wires. Current technology advancements have reached a stage where pervasive and ubiquitous computing can become a reality [34][35] To make this happen, we are faced with challenges at all levels of computation. As e orts are being made to standardize wireless LAN technologies [13] lots of work is being done and needs to be done in ad hoc wireless routing [29] 22] Mobile IP[24] and transport layer issues [15] There is ....
Mark Weiser. The computer for the twenty- rst century. In Scienti c American, September 1991.
....so that they can continuously provide their services in a highly dynamic environment. Third, pervasive computing requires a common system platform, allowing applications to be run across the range of devices and to be automatically distributed and installed. 1 Introduction Pervasive computing [9, 23] promises a computing infrastructure that seamlessly and ubiquitously aids users in accomplishing their tasks and that renders the actual computing devices and technology largely invisible. The basic idea behind pervasive computing is to deploy a wide variety of smart devices throughout our ....
M. Weiser. The computer for the twenty-rst century. Scientic American, 265(3):94-104, Sept. 1991.
....set of operations: they read, modify, or search small records. Finally, these applications typically require replication for availability or reliability. In the future, we expect to see an increasing number of such data centric applications and a wider range of computing devices running them [13, 44]. On the hardware side, non traditional computing devices, such as palm sized computers or cell phones, are already in wide spread use and provide access to a user s contacts and messages. Newer devices such as pads are about to be commercially released as well. On the software side, clusterbased ....
M. Weiser. The computer for the twenty-rst century. Scientic American, 265(3):94-104, Sept. 1991.
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