Write short notes on High availability computing

A Management Information System ICT Revision Questions and Answers

High Availability is a computing deployment model in which the main data center or server equipment are installed with power backup, network backup and even whole installation site backup. As the name suggests, the aim is to increase availability of the system for its end users.
High availability infrastructure is deployed mainly in corporate platform for service providers, large businesses, government agencies and any other organization for which access to the system is very important and which cannot risk any significant loss or corruption of the data. The major characteristics of a high availability system are:
(a) Multi-site deployment – system installed in more than one site
(b) Network redundancy – more than one paths to connect to the system.
(c) Power backup – dedicated source, multiple city source, backup power generators, UPS etc.
(d) Round the clock presence of operations and maintenance team to monitor the system.

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