AScalability and Reliability
Clustering Solutions
In Windows Server 2003, there are two clustering solutions, Network Load Balancing (NLB) and Cluster Service. Both systems were available in Windows, but they have been updated in Windows Server 2003. Although both are classed as cluster solutions, they work in different ways and have different advantages and potential uses:
Cluster Service can be used to provide machine-level backup to a system in the event of failure. Typically, it's used within datacenters and enterprise server configurations where you need 100% availability. Clusters can be configured in a number of different ways, but really with one goal in mind—for one machine to take over the responsibilities of another ...
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