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Your definition seems accurate, based on what I had thought to be true. &nbsp;However, an expert at another site provided an important additional aspect of fail-over: avoidance of any service interruption.<br />
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Here is his or her definition:<br />
fail-over basically describes the take over of a system when another system fails without any interruption of service.
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Your definition seems accurate, based on what I had thought to be true.  However, an expert at another site provided an important additional aspect of fail-over: avoidance of any service interruption.

Here is his or her definition:
fail-over basically describes the take over of a system when another system fails without any interruption of service.

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What does &quot;fail-over&quot; mean in computer systems?
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What does "fail-over" mean in computer systems?

Fail-over

Hardware includes cell phones and other digital living devices, tablets, computers, servers, peripherals and components, printers and scanners, gaming consoles, networking hardware such as routers, hubs, switches and modems, storage devices and security equipment such as firewalls and other appliances.