In this paper we propose an integrated platform to power the symbiosis between networks and services whilst supporting mobility of users. This platform is based on methods for authentication, authorization and payment of services in a roaming environment. Existing technologies are combined and enhanced to provide a blueprint for a platform to leverage the interaction of services with the underlying network. Traditionally, such functions as discovery, authentication and authorization exist in parallel for networks and for services, without any association between the systems. This rigid layered approach is abandoned in favour of one that is more integrated and allows these functions to be reused rather than duplicated. Payment is treated as an essential and inherent part of the architecture, in order to facilitate its commercialization and adoption.

Nowadays, eProcurement, i.e. purchasing goods and services online in a business-to-business or business-togovernment transaction, is being seen as a growing opportunity for companies to sell their products. However, today, eProcurement is being carried out by static and inconvenient solutions. Current approaches do not support dynamic federation establishment, automatic payment or a reliable on-the-fly testing of the purchased goods. Since these restrictions avoid a powerful and automated usage of eProcurement implementation, this paper offers a framework in which those limitations do not exist anymore.

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