NDLI: Performance Evaluation of Load Balanced Web Proxies

Content Provider	IEEE Xplore Digital Library
Author	Ngamsuriyaroj, S. Rattidham, P. Rassameeroj, I. Wongbuchasin, P. Aramkul, N. Rungmano, S.
Copyright Year	2011
Abstract	A large university usually has many units that may locate far apart, and there are many proxy servers installed to give web access services to those units individually. However, some proxies may face the performance bottleneck when many users access the Internet simultaneously since such servers have limited capacity and could not handle high workload whereas the workload cannot be transferred to other proxies. This paper proposes an efficient load balancing technique called Shoot-Lowest Load which simulates the cache size at each proxy by counting the number and the size of log records generated by Squid proxy software in order to approximate the current workload at each proxy. We evaluate our work and compare it with the other two methods: Super Proxy and Time Round-Robin. Two metrics measured are the number of requests and the request size. In addition, the real proxy traffic is simulated as the testing dataset. The experimental results showed that our proposed method gave the best load balancing since it can closely estimate the current workload of each server so that a request will be sent to the proxy server with the lowest load.
Starting Page	746
Ending Page	750
File Size	191729
Page Count	5
File Format	PDF
ISBN	9781612848297
DOI	10.1109/WAINA.2011.129
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-03-22
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Measurement Performance evaluation Load balancing method Load management Software Internet Browsers Servers Monitoring Web proxy server
Content Type	Text
Resource Type	Article

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