I1-2 - Sedma Nacionalna Konferencija so Me|unarodno U~estvo...

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LINUX VS. WINDOWS CLUSTER SOLUTIONS FOR E-COMMERCE Radoslav Yoshinov 1 , Kalin Lilovski 2 1 Laboratory of Telematics – Bulgarian Academy of Sciences – Sofia 1113 “Acad. G. Bonchev” str. bl. 8, yoshinov@cc.bas.bg 2 Institute of Information Technologies – Bulgarian Academy of Sciences – Sofia 1113 “Acad. G. Bonchev” str. bl. 2, kalin@cc.bas.bg Abstract – Present e-Commerce systems are pushing computational, data storage and network technologies to the limit. On a highly concurrent market companies are seeking solutions to support their needs not investing to much in specialized hardware that is too expensive and might be soon outdated. Computer clusters are offering a solution based on commodity hardware. Top leading operating systems have integrated abilities for building such sites. The approaches have to be evaluated in each particular case regarding many aspects from the appropriateness of the technology and software compatibility to the overall costs and term for finishing the project. Keywords – Cluster, Linux, Windows, Networking, e-Commerce 1. INTRODUCTION The debate UNIX/Linux vs. Windows seems to be a constant topic for discussions for many years. Nowadays it is generally accepted that each operating system has its advantages and is suitable for the range of tasks it is generally designed for. Windows is for sure the world leading desktop system, but when it comes to the network services, the battle becomes severe. The main aim of this paper is to discuss the solutions that each operating systems is capable to provide regarding high available and load balancing clusters of computers. Cluster is a widely-used term identifying a group of independent computers combined into a single system through software and networking so that they can perform common tasks. Clustering refers to linking individual servers physically and programmatically and coordinating communication between them. Should any one server stop functioning, a failover process automatically shifts its workload to another server to provide continuous service. In addition clustering may also employ load balancing, which enables the computational workload to be distributed across a network of linked computers. Companies requiring their applications to be highly available, or wishing to improve the performance and availability of their network infrastructure can choose between the leading solutions that Linux distributions (e.g. RedHat Enterprise Linux AS) or Microsoft Windows 2000/2003 Server can provide. These operating systems enable organizations to deploy business-critical e-commerce and line-of-business applications on industry-standard PC hardware through their clustering technologies. Both are able to take advantages of latest advanced symmetrical multiprocessing (SMP) and use of large memory support that reaches up the maximum memory size of 64 Gb in 32-bit Intel x86-compatible systems. 2.
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I1-2 - Sedma Nacionalna Konferencija so Me|unarodno U~estvo...

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