Distributed and Passive Web services discovery middleware for Pervasive services at the edges of Internet

The advent of mobile computing devices and development of wireless and ad hoc networking technologies as Bluetooth, RFID etc has led to the growth of infrastructure- less pervasive environments. Most often, these environments lie at the edges of Internet, i.e., they are disconnected or sparsely connected to rest of the world. In order to exploit the access to such edges of Internet, an interoperability middleware, capable of dealing with lack of communication infrastructure, is needed. In this paper, we propose a solution that synergizes P2P technology, message queuing support and a passive distributed UDDI to exploit Web services in infrastructure- less edges of Internet. We abstract communication heterogeneity and prove that passive communication mode performs better than active mode of communication (i.e., existing solutions in literature) in terms of Web services discovery.