The PLASTIC project adopts and revisits serviceoriented computing for Beyond 3 rd Generation (B3G) networks, in particular aiming at assisting the development of services targeted at mobile devices. Specifically, PLASTIC introduces the PLASTIC platform to enable robust distributed lightweight services in B3G networking environments through: • A development environment for the thorough development of SLA-and resource-aware services, which may be deployed on the various networked nodes, including handheld devices; • A service-oriented middleware leveraging multiradio devices and multi-network environments for applications and services deployed on mobile devices, further enabling context-aware and secure discovery and access to such services; • A validation framework enabling off-line and online validation of networked services regarding functional and non-functional properties.

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eHealth is one of the killing applications for the Digital Home and in general for the services to the moving and active citizen. Furthermore eHealth services provisioning is an increasingly important need: the elder population is growing and urgent solutions are needed for technologies to come up with attractive and yet affordable services for all.The paper describes how an eHealth platform is being optimized with several enabling technologies for content and services provisioning over new, more complex network topologies. The services that are to be offered must account for dynamic networking environments which include add-hoc networks on the one-hand, and on the other that are to be offered for groups of users, seamlessly connected by using Peer to Peer communications. The related services are critical for the user and thus must be designed with a methodology (including tools) that will ensure an SLA (Service Level Agreement) and that can comply to certain QoS levels which are strictly needed in this area.The solutions adopted and explained below are part of the work being performed in 2 different European Projects (Information Society Technologies; Framework Program 6; partially founded by the European Commission): 1.The PLASTIC project [1] The SMEPP project [2]