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http://dx.doi.org/10.3745/KIPSTC.2002.9C.1.115

A New Web Cluster Scheme for Load Balancing among Internet Servers  

Kim, Seung-Young (오픈버드 eSolution Bis Unit)
Lee, Seung-Ho (국립 한밭대학교 전기·전자·제어공학부)
Publication Information
The KIPS Transactions:PartC / v.9C, no.1, 2002 , pp. 115-122 More about this Journal
Abstract
This paper presents a new web cluster scheme based on dispatcher which does not depend on operating system for server and can examine server's status interactively. Two principal functions are proposed for new web cluster technique. The one is self-controlled load distribution and the other is transaction fail-safe. Self-controlled load distribution function checks response time and status of servers periodically, then it decides where the traffic goes to guarantee rapid response for every query. Transaction fail-safe function can recover lost queries including broken transaction immediately from server errors. Proposed new web cluster scheme is implemented by C language on Unix operating system and compared with legacy web cluster products. On the comparison with broadcast based web cluster, proposed new web cluster results higher performance as more traffic comes. And on the comparison with a round-robin DNS based web cluster, it results similar performance at the case of traffic processing. But when the situation of one server crashed, proposed web cluster processed traffics more reliably without lost queries. So, new web cluster scheme Proposed on this dissertation can give alternative plan about highly increasing traffics and server load due to heavy traffics to build more reliable and utilized services.
Keywords
Web Cluster;
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