Application High Availability Service (AHAS)
Alibaba Cloud’s Application High Availability Service guarantees application high availability. It falls under the developer tools category and is designed to keep your applications running smoothly without interruption. This service helps maintain uptime for critical systems, ensuring that users experience minimal disruption during peak loads or unexpected failures.
You should choose this service when you need to ensure continuous operation for your applications. Be aware that there is no free tier available, so you will need to budget for usage. The pricing model is pay-as-you-go, meaning costs are directly tied to how much you use the service rather than a fixed monthly fee.