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Performance Measurement of Web Services Linux Virtual Server

Ashfaq, Muhammad
Master thesis
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Ashfaq.pdf (569.2Kb)
Year
2009
Permanent link
http://urn.nb.no/URN:NBN:no-22670

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  • Institutt for informatikk [3603]
Abstract
With the rapid expansion in the use of internet services such as web browsing, mails, audio and video files downloading, servers' needs to manage with greater strain resources and actions. Demand for total number of clients supported by the servers has increased significantly. With a continues increase in total number of users and as a result escalating work load makes businesses uncertain about their actions with the passage of time. In addition rapid response and 24 hours availability becoming mandatory necessities for many big critical businesses applications as a result, the necessity of providing support for extremely expandable, sustainable and available services is becoming crucial.

Linux Virtual Server is the best solution for providing businesses such critical services. Linux Virtual Server is an open source tool, used to establish expandable, sustainable and highly available server using a number of real servers and a front end Director. Linux Virtual Server has the ability to balance Load of a number of network services amongst several real servers using different scheduling algorithms and packet forwarding methods which suits bests for services and hardware limitations.

In this project a web services Linux Virtual Server will be established using NAT (Network Address Translation) packet forwarding method and using three different scheduling algorithms, Round Robin, Weighted Round Robin and least Connection. With each scheduling algorithm number of test setup will be conducted by varying number of real servers used in the Linux Virtual Server Cluster, varying HTTP traffic through using different size of data files downloaded from the real servers and also varying number of request send per second.
 
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