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Clustering

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ALSO CALLED: Server Clustering, Storage Clustering
DEFINITION: In computers, clustering is the use of multiple computers, typically PCs or UNIX workstations, multiple storage devices, and redundant interconnections, to form what appears to users as a single highly available system. Cluster computing can be used for load balancing as well as for high availability. Advocates of clustering suggest that the approach can help an enterprise achieve 99.999 availability  … 
Definition continues below.
ClusteringReports
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Virtualization and Resource Utilization: Saving You Effort, Time and Money
sponsored by Data Center Decisions
PRESENTATION: In this presentation from Data Center Decisions 2006, Andrew Kutz, Operating Systems Specialist, University of Texas, shows how to maximize resource utilization using VMware's Virtual Infrastructure 3 (VI3) and demystifies some of i...
Posted: 31 Oct 2006 | Published: 31 Oct 2006

Data Center Decisions

HP Integrity NonStop NS1000 Server: Standards-Based Innovation at the Entry Level for Business-Critical Applications
sponsored by Hewlett-Packard Company
WHITE PAPER: In today's "do more with less" computing environment, IT managers must weigh the advantages of proven fault-tolerant capabilities against the need to contain costs. Discover a cost-effective solution for the most critical business applications.
Posted: 19 Jul 2006 | Published: 01 Jul 2006

Hewlett-Packard Company
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CLUSTERING DEFINITION (continued): …  in some cases. One of the main ideas of cluster computing is that, to the outside world, the cluster appears to be a single system.A common use of cluster computing is to load balance traffic on high-traffic Web sites. A Web page request is sent to a "manager" server, which then determines which of several identical or very similar Web servers to forward the request to for handling. Having a Web farm (as such a configuration is sometimes called) allows traffic to be handled more quickly.Clustering has been available since the 1980s when it was used in DEC's VMS systems. IBM's Sysplex is a cluster … 
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