Sensor and actuator networks (SAN) will play a key role in delivering information about and enable interactions with the physical world for next generations of highly autonomous and adaptive Internet services and applications. Current SAN deployments are still low in numbers and represent heterogeneous, vertically closed solutions. True world awareness can only be achieved if existing and future SANs can be integrated into a scalable real world information and interaction fabric, connecting the current Internet with the physical world. In this paper we present architectural challenges, goals and concepts on the way towards such a real world enabled Internet.
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