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A computer cluster is a single logical unit consisting of multiple computers that are linked through a LAN. The networked computers essentially act as a single, much more powerful machine. A computer cluster provides much faster processing speed, larger storage capacity, better data integrity, superior reliability and wider availability of resources.
Computer clusters are, however, much more costly to implement and maintain. This results in much higher running overhead compared to a single computer.
Many organizations use computer clusters to maximize processing time, increase database storage and implement faster data storing & retrieving techniques.
There are many types of computer clusters, including:
The major advantages of using computer clusters are clear when an organization requires large scale processing. When used this way, computer clusters offer: