Masking Uneven Conditions

The rate of penetration of pervasive computing technology will vary considerably. The capabilities of entities that provide services to users invisibly will vary considerably. One way to reduce the amount of variation observed by users is to have their computing space compensate for "dumb" environments — in essence, provide a canonical representation of their computing space and ensure that a service, if it is operating in a nonfriendly environment, at least tunes its behavior to fit the circumstances.

In applying these four precepts to our work, we consider the telephone network and the Internet to be two disjoint worlds. Although the telephone network has been used to connect users to the Internet (through modems), and the Internet has been used to transport digitized voice, these networks have not cooperated at the services layer to a great extent. We will demonstrate how our architecture allows these disjoint worlds to come together and enable the sensing and control of one world by another, almost invisibly, by using localized scalability and masking uneven conditioning.

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