Pervasive Computing (PervComp) means different things to different people. For some, pervasive computing is about mobile data access and the mechanisms needed to support a community of nomadic users. For others, the emphasis is on “smart” or “active” spaces, context awareness, and the way people use devices to interact with the environment. And still, others maintain a device-centric view, focusing on how best to deploy new functions on a device, exploiting its interface modalities for a specific task. But, truly speaking, PervComp encompasses all of these areas; it is“a new way of thinking about computers in the world, one that takes into account the natural human environment and allows the computers themselves to vanish into the background”as aptly visioned by Mark Weiser of Xerox PARC in his seminal paper ,  published more than a decade ago (1991). That he was much ahead of his time is now widely acclaimed because the current PervComp vision is very much in line with his realization:“The most profound technologies are those that disappear. They weave themselves into the fabric of everyday life until they are indistinguishable from it.”So much so that, after a decade, M. Satyanarayan of CMU begins his classical paper  on PervComp in 2001 with a quotation of the above two legendary lines of Weiser’s article.
KeywordsMobile Computing Networking Infrastructure Pervasive Computing Smart Space Intelligent Environment
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