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          Object Storage

          CDN Acceleration Release

          Basic Introduction

          BOS currently supports the use of CDN to accelerate the specified bucket. After the selection of the Bucket that needs to be accelerated, the DNS resolution of the domain name corresponding to the bucket in BOS is modified to the CNAME domain name provided by CDN, thus accessing the CDN node and starting CDN acceleration.

          CDN Configuration Rules

          • CDN does not cache data if that expiration time is not configured in the CDN and the source station does not display a control header providing http cache. In this case, CDN acceleration cannot be realized after the data in Bucket is updated, and the cache needs to be manually refreshed in CDN. For specific operations, please refer to Refresh Cache.
          • The expiration time can be configured in CDN to automatically update the cache. For specific operations, please refer to Configure Cache Expiration Time.

          Operation Method

          1.Click the name of bucket to enter the bucket Management page and select the "Publish Management" tab.

          2.Click Open Acceleration on the right side of the official acceleration domain name to directly open the official CDN acceleration domain name.

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          After the acceleration is successfully started, the refresh page can show that the button on the right side of the official domain name changes to Manage CDN Acceleration. Click to enter the CDN domain name management page to manage the domain name details.

          3.If you need to add a customized acceleration domain name, click "Add Customized Acceleration Domain Name" and it will be displayed in the list of custom domain names after adding. If you need to manage the accelerated domain name, click "CDN Accelerated Management" in the corresponding operation column.

          Note

          • Bucket is created without CDN acceleration turned on by default.
          • BOS provides the official CDN acceleration domain name, namely bucketname.cdn.bcebos.com. The official acceleration domain name is the official CDN acceleration domain name opened by BOS bucket. CNAME resolution does not need to be configured and the domain name cannot be modified.
          • Before adding a custom domain name, you need to go to the DNS resolution management of the domain name registrar, and resolve the custom domain name CNAME to the CNAME address provided by CDN. Only after the resolution is successful can you accelerate access through CDN. Please refer to Binding CNAME for specific operations.
          • If the added custom domain name is occupied, submit the ticket for processing.
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          Bind Custom Domain Name