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    Traffic Fees

    Last updated: 2024-06-18 20:34:18
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      Traffic is the accumulated value of data traffic generated when you use and access COS, including public network upstream traffic, public network downstream traffic, private network upstream traffic, private network downstream traffic, and CDN origin-pull traffic. COS charges you by the accumulated traffic usage.
      Note:
      For more information on storage classes, see Overview.
      The billing unit of the traffic billing item and traffic packages is GB, and the traffic unit conversion ratio is 1:1,000.For example, 1 TB of public network downstream traffic equals 1,000 GB. A public network downstream traffic package of 1 TB can deduct fees of 1,000 GB of public network downstream traffic.
      

      Traffic Fees Billable Item

      Billable Item
      Applicable Storage Class
      Description
      Applicable Billing Mode
      Public network downstream traffic
      All Storage Class
      Traffic generated by data download from COS to the local system or client over the public network (internet).
      Pay-as-you-go: Public network downstream traffic (GB) * unit price per GB
      Public network upstream traffic
      Traffic generated by data upload from the local system or client to COS over the public network (internet).
      Free of charge
      Private network upstream traffic
      Traffic generated by data transfer from the client to COS over the Tencent Cloud private network.Note: Tencent Cloud products within the same region access each other over the private network by default, with no traffic fees incurred. For more information on how to identify private network access, see Overview > Private Network Access.
      Free of charge
      Private network downstream traffic
      Traffic generated by data transfer from COS to the client over the Tencent Cloud private network.Note: Tencent Cloud products within the same region access each other over the private network by default, with no traffic fees incurred. For more information on how to identify private network access, see Overview > Private Network Access.
      Free of charge
      CDN origin-pull traffic
      Origin-pull traffic generated by data transfer from COS to the CDN edge node when COS is used as the CDN origin.
      Pay-as-you-go: CDN origin-pull traffic (GB) * unit price per GB
      Cross-region replication traffic
      Traffic generated by replicating objects from a bucket in one region to a bucket in another region.Note: Replicating objects across buckets in the same region will not incur traffic fees. The traffic fees will vary by source bucket region.
      Pay-as-you-go: Cross-region replication traffic (GB) * unit price per GB
      Global acceleration traffic
      When you enable the global acceleration feature, the traffic generated from data transfers through the acceleration domain, including public network global acceleration traffic and private network global acceleration traffic.
      
      This traffic consists of upstream acceleration traffic and downstream acceleration traffic:
      Upstream acceleration traffic is the traffic generated by uploading data to COS at an acceleration endpoint. Upstream acceleration traffic fees will be incurred if you upload files at a global acceleration endpoint and data goes through the private network acceleration linkage.
      Downstream acceleration traffic is the traffic generated by viewing or downloading COS data at an acceleration endpoint. Downstream acceleration traffic fees will be incurred if you download files at a global acceleration endpoint and data goes through the private network acceleration linkage.
      Pay-as-you-go: Global acceleration traffic (GB) * unit price per GB
      Note:
      If the global acceleration domain name is used to download data, global acceleration downstream traffic fees and public network downstream traffic fees will be incurred. If the global acceleration domain name is used as the CDN origin domain name for origin-pull, global acceleration downstream traffic fees and CDN origin-pull traffic fees will be incurred.
      

      Billing Restrictions

      1. ARCHIVED data cannot be read or downloaded until it is restored to the STANDARD storage class. Therefore, traffic generated from these requests is counted in the STANDARD storage class.
      2. Public network downstream traffic is generated when the data is returned to COS through origin-pull by using a third-party CDN service.
      3. Public network downstream traffic is generated when a user downloads objects through object links or browses objects through a static website endpoint.
      4. Cross-region replication traffic is generated when you replicate data from a bucket in one region to a bucket in another region using APIs or the cross-region replication feature. The traffic fees will vary depending on the region where the source bucket resides.
      5. For INTELLIGENT TIERING, traffic fees are subject to those of the storage class after object movement.
      

      Traffic Generated by Using COS as CDN Origin

      After you enable the CDN acceleration domain name, data downloads and access through it will incur fees:
      Billable Item
      Description
      CDN origin-pull traffic
      Origin-pull traffic generated by data transfer from COS to the CDN edge node when COS is used as the CDN origin.
      CDN Downstream Traffic
      CDN outbound traffic generated by data download from the CDN edge node to the local system or client when COS is used as a CDN origin.
      COS request
      COS requests generated by data transfer from COS to the CDN edge node when COS is used as the CDN origin. Request fees are billed by the number of requests sent to COS.
      Note:
      CDN traffic fees are charged by CDN. For detailed pricing, see Pricing | Content Delivery Network.
      
      
      
      

      Billing Modes and Calculation Formulas for Traffic Fees

      Billing Mode
      Applicable Billable Items
      Calculation Formula
      Pay-as-you-go
      Public network downstream traffic fees
      CDN origin-pull traffic fees
      Cross-region replication traffic fees
      Global acceleration traffic fees
      Daily billing cycle
      Traffic fees = unit price per GB * daily accumulated traffic
      Traffic Resource Packages (Prepaid)
      Public network Downstream Traffic Fees
      Global Acceleration Traffic Fees
      Traffic packages are classified according to the type of traffic as follows:
      Public network downstream traffic package: Used to deduct public network downstream traffic.
      Global acceleration traffic package: Used to deduct global acceleration traffic. According to the data transfer acceleration direction, it is divided into the following types:
      Chinese mainland only: It can deduct global acceleration traffic (both upstream and downstream traffic) fees for the transfer direction 'Chinese mainland - Chinese mainland', excluding traffic in the financial cloud regions.
      Hong Kong (China) and overseas: It can deduct global acceleration traffic (both upstream and downstream traffic) fees for transfer directions 'Chinese mainland - Hong Kong (China) and overseas', 'Hong Kong (China) and overseas - Hong Kong (China) and overseas', and 'Hong Kong (China) and overseas - Chinese mainland'.
      
      Within the validity period of the traffic package, the traffic generated in each cycle (including the purchase day) can be deducted from the specifications of the resource package. The insufficient part will be billed on a pay-as-you-go basis.
      

      Traffic Pricing

      For the unit prices of traffic, see Pricing | Cloud Object Storage.
      

      Billing Examples

      Note:
      Prices in the example below are for reference only. For the actual prices, see Pricing | Cloud Object Storage.

      Sample: STANDARD storage fees + STANDARD request fees + Public downstream traffic fees

      Assume that on November 1, 2020, user A uploaded a 10 GB object to a bucket residing in Guangzhou region in the STANDARD storage class, generating 100 requests. On November 2 and November 3, user A downloaded the object of 10 GB to the local file system over the public network with CDN disabled, generating 100 requests daily. Apart from these operations, user A did not perform any other operations. As storage usage, request, and traffic fees are settled daily, then:
      STANDARD storage usage fees: Settled daily starting from November 2, 2020.
      STANDARD request fees: Settled on November 2, 3, and 4, 2020.
      Traffic fees: Settled on November 3 and 4, 2020.
      Fees analysis:
      STANDARD storage usage fees = 0.024 USD/GB/month / 30 * 10 GB * 30 days = 0.24 USD
      STANDARD request fees = 0.002 USD/10,000 requests * 100 requests / 10,000 * 3 = 0.00006 USD
      Public downstream traffic fees = 0.1 USD/GB x 10 GB x 2 = 2 USD
      In summary, the total bill for user A in November is calculated as follows: 0.24 + 0.00006 + 2 = 2.24006 USD.
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