===== Failover =====
[[dido:public:ra:xapend:xapend.a_glossary:start| Return to Glossary ]]


**Failover** is the constant capability to automatically and seamlessly [[dido:public:ra:xapend:xapend.a_glossary:s:switch|switch]] to a highly reliable backup. This can be operated in a redundant manner or in a standby operational mode upon the failure of a primary [[dido:public:ra:xapend:xapend.a_glossary:s:server|server]], [[dido:public:ra:xapend:xapend.a_glossary:a:application|application]], system or other primary system component.

The main purpose of **Failover* is to eliminate, or at least reduce, the impact on users when a system failure occurs.

Source: [[https://www.techopedia.com/definition/1202/failover | Failover ]]