Mastering Python Design Patterns - Second Edition

Use cases

This pattern is recommended when you need to ensure your system continuously delivers the service as expected, or when you need to optimize the cost of usage of the service, or when you need to handle bursts in activity.

In practice, you may implement the following rules:

• Limit the number of total requests to an API as N/day (for example, N=1000)
• Limit the number of requests to an API as N/day from a given IP address, or from a given country or region
• Limit the number of reads or writes for authenticated users