Fault-tolerant design includes redundant components such as hardware, software, power backup, and network security measures to ensure critical computing applications remain functional in the event of catastrophic failure. This design is used by banks, governments, and utility companies and includes power, hardware, and network fault tolerance. Large organizations and government agencies require fault tolerance to support their physical infrastructure and reduce the likelihood of complete system failure. Critical government institutions include fault tolerance for entire business units, typically found deep underground.
Critical computing applications require a design that includes several redundant components. This fault-tolerant design typically includes hardware, software, power backup, and network security measures. Fault tolerance is a design that ensures that a computer application will remain functional in the event of a catastrophic failure. Most banks, governments, and utility companies use this type of design for their critical applications.
Power fault tolerance is an engineering design that provides multiple power inputs to computer equipment. Some examples of power redundancy include multiple power circuits, power outlet providers, or battery backup systems. This system will automatically reactivate the power in the event of a power outage.
Backup power plans designed to preserve computer systems typically include fuel-powered generators and large battery units. When a data center loses power, the generator system kicks in automatically. These buildings can typically maintain power for several weeks without impacting overall performance.
Hardware fault tolerance is a design that distributes business processes across multiple computer components. This allows an application to remain functional when equipment fails due to mechanical problems. A clustered database is an example of using fault-tolerant hardware. In this design, a physical database is distributed and replicated across multiple hardware devices. If one piece of equipment fails within the cluster, the database remains active because it is spread across multiple hardware units.
Network fault tolerance is another example of redundancy in a computer system. Most data center operations include network fault tolerant configurations. This requires the use of multiple telecom providers and phone lines in a building. In the event of a complete failure of one provider, the other network providers would automatically take over. This type of configuration typically requires two active telecommunication lines within a physical building.
Many large organizations and government agencies require fault tolerance to support their physical infrastructure. This ensures that catastrophic events, including power failures and network destruction, do not impact the business operations of these organizations. Although fault tolerance does not guarantee the integrity of applications, it does reduce the likelihood of a complete system failure due to computer problems.
The most critical government institutions include fault tolerance for entire business units. This typically includes the relocation of personnel, equipment and assets that can sustain natural disasters for extended periods of time. This type of fault-tolerant solution is typically found deep underground, where natural disasters have minimal impact on physical operations.
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