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    A Priority-Based Admission Control Scheme for Commercial Web Servers

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    Publication date
    2014
    Author
    Nafea, Ibtehal T.
    Younas, M.
    Holton, Robert
    Awan, Irfan U.
    Keyword
    Web servers
    ; Performance
    ; Efficiency
    ; Web portals
    ; Commercial websites
    ; Internet applications
    Peer-Reviewed
    Yes
    
    Metadata
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    Abstract
    This paper investigates into the performance and load management of web servers that are deployed in commercial websites. Such websites offer various services such as flight/hotel booking, online banking, stock trading, and product purchases among others. Customers are increasingly relying on these round-the-clock services which are easier and (generally) cheaper to order. However, such an increasing number of customers' requests makes a greater demand on the web servers. This leads to web servers' overload and the consequential provisioning of inadequate level of service. This paper addresses these issues and proposes an admission control scheme which is based on the class-based priority scheme that classifies customer's requests into different classes. The proposed scheme is formally specified using -calculus and is implemented as a Java-based prototype system. The prototype system is used to simulate the behaviour of commercial website servers and to evaluate their performance in terms of response time, throughput, arrival rate, and the percentage of dropped requests. Experimental results demonstrate that the proposed scheme significantly improves the performance of high priority requests but without causing adverse effects on low priority requests.
    URI
    http://hdl.handle.net/10454/10750
    Version
    No full-text in the repository
    Citation
    Nafea I, Younas M, Holton R et al (2014) A Priority-Based Admission Control Scheme for Commercial Web Servers. International Journal of Parallel Programming. 42(5): 776-797.
    Link to publisher’s version
    https://doi.org/10.1007/s10766-013-0290-5
    Type
    Article
    Collections
    Engineering and Informatics Publications

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