Service discovery in DEAPspace

The DEAPspace group at IBM Research, Zurich Lab is developing a system in which services can be shared between proximate devices. The target environment is single-hop short-range wireless systems, and the solution must offer prompt responsiveness for transient devices. In this article, the service discovery algorithm is presented. Through this new algorithm, a computing device can detect the presence of neighboring devices, share configuration and service information with those devices, and also notice when devices become unavailable. Targeted for wireless ad hoc single-hop networks, this solution improves the responsiveness of devices to changes in their environments. The effectiveness of this algorithm is demonstrated through comparison with others that achieve similar goals, considering the responsiveness to changes in the local environment, power consumption, and bandwidth requirement of devices