In an ideal world, service discovery protocols would be available across different wireless networks ensuring that most of the services would be searchable and accessible, anytime, everywhere. Yet, typical service discovery protocols were designed for specific scenarios and not conceived with user mobility in mind, where it would be possible to search for services through whatever access network might be available. To help increase the users’ mobility, service-based interconnected networks (SIN) aims to develop an interoperability system between service discovery protocols in a wireless heterogeneous framework for existing protocols and devices. SIN provides the possibility to transparently search and find services across neighbour networks and through several protocols, resulting in gathering all services features. SIN was experimentally evaluated in a test-bed built to exercise a dynamic and pervasive service environment and used to prove the concept of service discovery interworking.

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