Building fault-tolerant systems

Fault tolerance is a system's ability to detect such failures and to handle them gracefully. It's essential that your cloud-based services are resilient, as due to the nature of the cloud, many different things can suddenly go south. Good fault tolerance can help your service's availability.

Different types of issues require different handling: from prevention, through detection, to minimizing the impact. Let's start with common ways to avoid having a single point of failure.