tencent cloud


Creating Web Services

Last updated: 2022-04-19 18:51:04

    Use Cases

    Auto Scaling (AS) is applicable to servers used for common Web services. It helps you to manage servers easily and increase the business robustness.

    For e-commerce websites, video websites, and online education websites, requests from clients are directs to the application server through load balancers. In case of rapid changes in the access volume, Auto Scaling can flexibly scale in and out application CVMs based on the volume of requests.

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    Add the following clusters to the scaling group to provide further protection for the cluster:

    • Frontend server cluster (access layer)

    • Application server cluster (logic layer)

    • Cache server cluster (data layer)

    You can also configure scheduled scaling policy for expected business peaks (such as online promotions).

    Add CVMs in the cluster to the scaling group, and enable Scale-in Protection for certain CVMs to ensure the normal operation of the cluster. You can also configure the alarm scaling policy to prevent burst traffic or CC attacks.

    Benefits of AS

    1. AS can help deal with unexpected request traffic and avoid single point of failures.

    2. You only need to estimate the resident resources, AS can dynamically adjust elastic resources to reduce IT costs.

    3. Scale out quickly in case of CC attacks to avoid request packet loss.

    Applicable Scenarios

    This solution is applicable to all websites, especially to those with large load fluctuations:

    • E-commerce websites

    • Online education websites

    • Video websites

    • Live streaming websites


    Is this solution applicable to common Web services, such as internal systems or websites with steady traffic?

    Yes. Common websites will also encounter unexpected situations, such as CC attacks, or piled access due to unexpected incidents.

    This solution does not incur any additional cost. You only need to enable Scale-in Protection for the necessary servers, and don’t need to change the structure and operation of websites.

    It’s recommended to take this solution as the best practice for your websites.

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