An architecture for privacy-sensitive ubiquitous computing
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Making network-centric context information available to ho-sts, network nodes and users allows them to make more meaningful decisions to accomplishing a self-organising behaviour. Instead of implicitly offering services as today we suggest a shift towards explicitly expressing context information that can be used with user context information to allow applications to operate more efficiently . Since security is of great concern when context information is accumulated and made available we combine it with a privacy-sensitive authorisation framework. This security framework is flexible and powerful enough to operate on both user- and network-context information. The paper demonstrates how a context-aware network architecture can be mapped to the IETF GEOPRIV privacy and authorisation framework to restrict and control the distribution of context information.