User-Centric Adaptive Access Control and Resource Configuration for Ubiquitous Computing Environments

White, Michael and Jennings, Brendan and Van der Meer, Sven (2005) User-Centric Adaptive Access Control and Resource Configuration for Ubiquitous Computing Environments. INSTICC, p. 349. ISBN 978-972886519-1

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Abstract

Provision of adaptive access control is key to allowing users harness the full potential of ubiquitous computing environments. In this paper, we introduce the M-Zones Access Control (MAC) process, which provides user-centric attribute-based access control, together with automatic reconfiguration of resources in response to the changes in the set of users physically present in the environment. User control is realised via user-specified policies, which are analysed in tandem with system policies and policies of other users, whenever events occur that require policy decisions and associated configuration operations. In such a system users' policies may habitually conflict with system policies, or indeed other users' policies; thus, policy conflict detection and resolution is a critical issue. To address this we describe a conflict detection/resolution method based on a policy precedence scheme. To illustrate the operation of the MAC process and its conflict detection/resolution method, we discuss its realisation in a test bed emulating an office-based ubiquitous computing environment.

Item Type:	Book
Additional Information:	NOT IN FILE Miami, U.S.A.
Uncontrolled Keywords:	Access Control,Policy Based Management,Conflict Detection and Resolution,Ubiquitous Computing.
Departments or Groups:	Telecommunications Software and Systems Group
Divisions:	School of Science
Date Deposited:	16 Oct 2007 17:29
Last Modified:	22 Aug 2016 10:25
URI:	http://repository-testing.wit.ie/id/eprint/669

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