Piconet is a general-purpose, low-power ad hoc radio network. It provides a base level of connectivity to even the simplest of sensing and computing objects. It is our intention that a full range of portable and embedded devices may make use of this connectivity. This article outlines the Piconet system, under development at the Olivetti and Oracle Research Laboratory (ORL). The authors discuss the motivation for providing this low-level "embedded networking," and describe their experiences of building such a system. The article concludes with a commentary on some of the implications that power saving, and other considerations central to Piconet, have on the design of the system.

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Previous work has described teleporting, an approach to mobile computing in which it is the user's personal application environment which is mobile rather than the hardware on which the applications run. In this paper we describe a new teleporting system which makes the user's environment available on any machine in the world running a Java-compliant web browser. We present some preliminary experimental results together with discussions of security and performance issues.

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