Availability and Reliability
Availability is the measure of fault tolerance of a software system, where fault tolerance is the ability of a system to maintain data integrity in the event of a catastrophic event. Reliability is the likelihood that the system will continue to work as designed. Taken together, availability and reliability measure the system’s capacity to ensure that data is available and correct under a heavy workload or other adverse conditions.
Windows Server 2003 builds on the foundation Windows 2000 Server created to ensure that computing power is available. Windows 2000 Server added Plug and Play, server clusters, and Network Load Balancing clusters (for Enterprise Edition and Datacenter Edition only), and the ability to start ...
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