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Evaluation of multimedia applications in a cluster oriented environment

Abstract

In the age of Information and Communication Technology (ICT), Web and the Internet have changed significantly the way applications are developed, deployed and used. One of recent trends is modern design of web-applications based on SOA. This process is based on the composition of existing web services into a single scenario from the point of view of a particular user or client. This allows IT companies to shorten product time-to-market. On the other hand, it raises questions about the quality of the application and trade-offs between quality factors and attributes. Services are usually hosted and executed in an environment managed by its provider that assures the quality attributes such as availability or throughput. Therefore, in this paper an attempt has been made to perform quality measurements towards the creation of efficient, dependable and user-oriented Web applications. First, the process of designing service-based applications is described. Next, metrics for evaluation of efficiency, dependability and usability of distributed applications are presented. These metrics will accurately assess the efforts and trade-offs in Web-based application development. As examples, we describe a pair of multimedia applications which we have developed in our department and executed in a cluster based environment. One of them runs in the BeesyCluster middleware and the second one in the Kaskada platform. For these applications we present results of measurements and conclude about relations between quality attributes in the presented application development model. This knowledge can be further used for rapid and quality development of new service-oriented distributed applications.

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Category:
Articles
Type:
artykuł w czasopiśmie wyróżnionym w JCR
Published in:
Metrology and Measurement Systems no. nr 2, pages 177 - 190,
ISSN: 0860-8229
Language:
English
Publication year:
2012
Bibliographic description:
Krawczyk H., Czarnul P., Dziubich T.: Evaluation of multimedia applications in a cluster oriented environment// Metrology and Measurement Systems. -Vol. nr 2, (2012), s.177-190
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Gdańsk University of Technology

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