Customizing Dependability Attributes for Mobile Service Platforms

Authors:
Jun He;Matti A. Hiltunen;Richard D. Schlichting
Affiliations:
University of Arizona, Tucson;AT&T Labs-Research, Florham Park, NJ;AT&T Labs-Research, Florham Park, NJ
Venue:
DSN '04 Proceedings of the 2004 International Conference on Dependable Systems and Networks
Year:
2004

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Abstract

Mobile service platforms are used to facilitate access toenterprise services such as email, product inventory, or designdrawing databases by a wide range of mobile devicesusing a variety of access protocols. This paper presents aQuality of Service (QoS) architecture that allows flexiblecombinations of dependability attributes such as reliability,timeliness, and security to be enforced on a per servicerequest basis. In addition to components that implementthe underlying dependability techniques, the architectureincludes policy components that evaluate a request'srequirements and dynamically determine an appropriate executionstrategy. The architecture has been integrated intoan experimental version of iMobile, a mobile service platformbeing developed at AT&T. This paper describes the designand implementation of the architecture, and gives initialexperimental results for the iMobile prototype.