Design and Verification of Distributed Multi-media Systems

Akehurst, David H. and Derrick, John and Waters, A. Gill (2003) Design and Verification of Distributed Multi-media Systems. In: FMOODS 2003 - 6th IFIP WG 6.1 International Conference on Formal Methods for Open Object-Based Distributed Systems, NOV 19-21, 2003, PARIS, FRANCE. (Full text available)

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Abstract

Performance analysis of computing systems, in particular distributed computing systems, is a complex process. Analysing the complex flows and interactions between a set of distributed processing nodes is a non-trivial task. The problem is exacerbated by the addition of continuous system functions that are time dependent, such as communication between components in the form of multimedia streams of video and audio data. Quality-of-Service (QoS) specifications define constraints on such communications and describe the required patterns of data transfer. By making use of these specifications as part of the performance analysis process it is possible to add significant confidence to predictions about the correct (required) operation of a distributed system. This paper presents a method for designing distributed multimedia systems, including the specification of QoS, using the ODP framework and UML and describes a technique for verifying the QoS specification against the designed functional behaviour of the system using Timed Automata.

Item Type: Conference or workshop item (Paper)
Subjects: Q Science > QA Mathematics (inc Computing science) > QA 76 Software, computer programming,
Divisions: Faculties > Science Technology and Medical Studies > School of Computing > Theoretical Computing Group
Depositing User: Mark Wheadon
Date Deposited: 24 Nov 2008 18:00
Last Modified: 09 Apr 2014 09:15
Resource URI: http://kar.kent.ac.uk/id/eprint/13884 (The current URI for this page, for reference purposes)
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