Applicability of limited redundancy single-site configuration

In some cases, this simple configuration may be suitable especially if the system meets the customer's availability requirements and represents an appropriate balance of risk and benefits. As we mentioned earlier, availability design must be driven from a business perspective.

In practice, we rarely see such systems used in production. Instead, the system above is generally used for development, proof-of-concepts, or demonstrations.

If you want to use a similar system in production, consider the following:

Even with these considerations, this configuration has the following issues: