Availability

Learn about the concept of availability in distributed systems.

As discussed earlier, a reliable system ensures the correctness of the system itself. But what property of a distributed system ensures that the system is functional?

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This is where availability comes to the rescue.

What is availability?

Availability is a property of a distributed system that ensures that the system is ready to serve users whenever users need it.

In practice, it’s easier to define availability in a mathematical formula.

Say, the backend system of the My Cool App was up for UU time and down for DD time since its launch. Then availability AA ...