Fast and Efficient Context-Aware Services (Wiley Series on by Danny Raz, Arto Tapani Juhola, Joan Serrat-Fernandez, Alex

By Danny Raz, Arto Tapani Juhola, Joan Serrat-Fernandez, Alex Galis

Quickly and effective Context-Aware prone supplies an intensive clarification of the cutting-edge in Context-Aware-Services (CAS). The authors describe all significant phrases and parts of CAS, defining context and discussing the necessities of context-aware purposes and their use in third new release companies. The textual content covers the carrier construction challenge in addition to the community know-how choices to help those companies and discusses energetic and programmable networks intimately. It offers an perception into the sensible process within the CONTEXT undertaking, offering concrete guidance for development profitable context-aware services.

quick and effective Context-Aware Services:
* presents complete and in-depth info on cutting-edge CAS technology.
* Proposes a method structure for CAS construction and supply, discussing carrier administration and lively community layers.
* Describes the provider lifecycle useful structure, protecting provider authoring, customization, invocation, and assurance.
* Explains process layout issues and info, method review standards, test-bed specifications, and evaluate results.

quick and effective Context-Aware prone is a useful source for telecommunications builders, researchers in academia and undefined, complicated scholars in desktop technological know-how and electric Engineering, telecoms operators, in addition to telecommunication administration and operator body of workers.

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Extra info for Fast and Efficient Context-Aware Services (Wiley Series on Communications Networking & Distributed Systems)

Example text

Context-Aware Applications Survey'. 551), Spring 2000, Helsinki University of Technology. 54. Hegering HG, Kupper A, Popien CL, Reiser H. `Context-Aware Services in Ubiquitous Environments'. In IFIP/IEE Workshop on Distributed Systems: Operations and Management, DSOM 2003, Heidelberg, October 2003, ISBN 3-540-20314-1 Lecture Notes in Computer Science, Springer-Verlag. 55. Leonhardi A, Kubach U. `An Architecture for a Universal, Distributed Location Service'. Proceedings of the European Wireless '99 Conference, Munich, Germany.

8. Context Aware Communications Knowledge Plane. DARPA started a project, called Knowledge Plane [13], which aims to add intelligence and self-learning to the network management. It aims to eliminate the unnecessary multi-level con®guration. If one speci®es the high-level design goals and constraints, the network should make the low-level decisions on its own. The system should recon®gure itself according to the changes in the high-level requirements. A distributed cognitive system, which permeates the network, is proposed that is called: knowledge plane (KP).

Kanter proposes the generic Extensible Service Protocol (XSP), allowing entities to extend their knowledge about context and available services in order to be able to use them. XSP is an extension of the SIP (Session Initiation Protocol). XSP allows us to keep a priori shared knowledge of service capabilities to a bare minimum and provide support to peers in order to discover, exchange, and reason about service knowledge. In this way, peers could establish connections to necessary services with a minimum of a priori knowledge.

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