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    Federated broker system for pervasive context provisioning

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    FedBrkSys_AA_Derby.pdf
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    Authors
    Kiani, Saad Liaquat
    Anjum, Ashiq cc
    Knappmeyer, Michael
    Bessis, Nik cc
    Antonopoulos, Nikolaos
    Affiliation
    University of Derby, UK
    Issue Date
    2013-04
    
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    Abstract
    Software systems that provide context-awareness related functions in pervasive computing environments are gaining momentum due to emerging applications, architectures and business models. In most context-aware systems, a central broker performs the functions of context acquisition, processing, reasoning and provisioning to facilitate context-consuming applications, but demonstrations of such prototypical systems are limited to small, focussed domains. In order to develop modern context-aware systems that are capable of accommodating emerging pervasive/ubiquitous computing scenarios, are easily manageable, administratively and geographically scalable, it is desirable to have multiple brokers in the system divided into administrative, network, geographic, contextual or load based domains. Context providers and consumers may be configured to interact only with their nearest, relevant or most convenient broker. This setup demands inter-broker federation so that providers and consumers attached to different brokers can interact seamlessly, but such a federation has not been proposed for context-aware systems. This article analyses the limiting factors in existing context-aware systems, postulates the design and functional requirements that modern context-aware systems need to accommodate, and presents a federated broker based architecture for provisioning of contextual information over large geographical and network spans.
    Citation
    Federated broker system for pervasive context provisioning 2013, 86 (4):1107 Journal of Systems and Software
    Publisher
    Elsevier
    Journal
    Journal of Systems and Software
    URI
    http://hdl.handle.net/10545/620648
    DOI
    10.1016/j.jss.2012.11.050
    Additional Links
    http://linkinghub.elsevier.com/retrieve/pii/S0164121212003275
    Type
    Article
    Language
    en
    ISSN
    01641212
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.jss.2012.11.050
    Scopus Count
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    Department of Electronics, Computing & Maths

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