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Achieving predictability and service differentiation in web services Gamini Abhaya, W, Tari, Z and Bertok, P 2009, 'Achieving predictability and service differentiation in web services', in Luciano Baresi, Chi-Hung Chi, Jun Suzuki (ed.) Proceedings of the 7th International Joint Conference on Service-Oriented Computing, Stockholm, Sweden, 23-27 November 2009, pp. 1-8. Document type: Conference Paper Collection: Conference Papers Title Achieving predictability and service differentiation in web services Author(s) Gamini Abhaya, W Tari, Z Bertok, P Year 2009 Conference name The 7th International Joint Conference on Service Oriented Computing Conference location Stockholm, Sweden Conference dates 23-27 November 2009 Proceedings title Proceedings of the 7th International Joint Conference on Service-Oriented Computing Editor(s) Luciano Baresi, Chi-Hung Chi, Jun Suzuki Publisher Springer-Verlag Place of publication Berlin, Heidelberg Start page 1 End page 8 Total pages 8 Abstract This paper proposes a model and an admission control algorithm for achieving predictability in web services by means of service differentiation. We use real-time scheduling principles typically used offline, adapt them to web services to work online. The proposed model and algorithm is empirically evaluated by implementing it Apache Axis2. The implementation is benchmarked against the unmodified version of Axis2 for various types of workloads and arrival rates, given different deadlines. We meet 100% of the deadlines keeping a healthy request acceptance rate of 42-100% depending on the task size variation. Our solution outperforms Axis2, specially at instances with high task size variance, by a factor of 10 - 1000. Subjects Interorganisational Information Systems and Web Services Keyword(s) Service differentiation Web services DOI - identifier 10.1007/978-3-642-10383-4_26 Copyright notice Copyright Springer-Verlag Berlin Heidelberg 2009 Related Links Link Description http://dx.doi.org/10.1007/978-3-642-10383-4_26 Link to Published Version   Versions Version Filter Type Thu, 26 May 2011, 11:23:49 EST Thu, 26 May 2011, 11:28:21 EST Mon, 23 Apr 2012, 16:07:24 EST Wed, 18 Jun 2014, 00:51:27 EST Filtered Full Citation counts: Cited 8 times in Scopus Article | Citations Altmetric details: Access Statistics: 306 Abstract Views  -  Detailed Statistics Created: Thu, 26 May 2011, 10:12:00 EST by Catalyst Administrator