Purchasing a CNAD Instance

Prerequisites

You have applied for using the corresponding service edition.

Go to the Buy AAD page, set Instance Type to Cloud Native Anti-DDoS Advanced, and select the specifications.

Specifications Restrictions

The Unlimited Protection Advanced edition can protect only exclusive EIPs. You can submit a work order to the Anti-DDoS Service team to obtain the permission to purchase exclusive EIPs.

Constraints

Ensure that the account used for purchasing CNAD instances has both the CNAD FullAccess and BSS Administrator roles or has the Tenant Administrator role.

Purchasing Unlimited Protection Basic Edition

1. Log in to the management console.
2. Select a region in the upper part of the page, click in the upper left corner of the page, and choose Security & Compliance > Anti-DDoS Service. The Anti-DDoS Service Center page is displayed.
3. In the upper right corner of the page, click Buy CNAD Pro.
4. Set instance Type to Native DDoS Protection.
5. Set Protection Level to Unlimited Protection Basic Edition.
6. Set the specifications parameters, as shown in Figure 1. Table 1 describes the parameters.
   Figure 1 Setting Unlimited Protection Basic edition specifications
   

   Table 1 Specifications of the Unlimited Protection Basic edition

   Parameter	Description
   Resource Location	Select the region where the protected resources are located. NOTICE: CNAD instances can only protect cloud resources in the same region. Cross-region protection is not supported. For example, a CNAD instance in CN East-Shanghai1 can protect only cloud resources in CN East-Shanghai1.
   Protected IP Addresses	A maximum of 50 IP addresses can be protected by default. Every five IP addresses can be added each time, and a maximum of 500 IP addresses can be added.
   Service Bandwidth	The service bandwidth indicates clean service bandwidth forwarded to the origin server from the AAD scrubbing center.

7. Set Instance Name, Required Duration, and Quantity. In the lower right corner of the page, click Next.
   • Required Duration: You can select 3 months, 6 months, or 1 year.
   • Quantity: Select the number of instances you want to purchase.
   

   The Auto-renew option enables the system to renew your service by the purchased period when the service is about to expire.

8. On the confirmation page, confirm your order and click Submit Order.
9. On the Pay page, click Pay.

   After the payment is successful, the newly bought instance will be displayed on the instance list. After the instance status becomes Normal, the instance is created.

Purchasing Unlimited Protection Advanced Edition

Before purchasing the advanced edition, you should konw that the Unlimited Protection Advanced edition can protect only exclusive EIPs.

1. Log in to the management console.
2. Select a region in the upper part of the page, click in the upper left corner of the page, and choose Security & Compliance > Anti-DDoS Service. The Anti-DDoS Service Center page is displayed.
3. In the upper right corner of the page, click Buy CNAD Pro.
4. Set instance Type to Native DDoS Protection.
5. Select Unlimited Protection Advanced Edition for Protection Level.
6. Set the specifications parameters. Table 2 describes related parameters.
   Figure 2 Setting specifications of the Unlimited Protection Advanced edition
   

   Table 2 Specifications of the Unlimited Protection Advanced edition

   Parameter	Description
   Resource Location	Select the region where the protected resources are located. NOTICE: CNAD instances can only protect cloud resources in the same region. Cross-region protection is not supported. For example, a CNAD instance in CN East-Shanghai1 can protect only cloud resources in CN East-Shanghai1.
   Protected IP Addresses	A maximum of 50 IP addresses can be protected by default. Every five IP addresses can be added each time, and a maximum of 500 IP addresses can be added.
   Service Bandwidth	The service bandwidth indicates clean service bandwidth forwarded to the origin server from the AAD scrubbing center. Value range: 100 Mbit/s to 40,000 Mbit/s

7. Set Instance Name, Required Duration, and Quantity. In the lower right corner of the page, click Next.
   • Required Duration: You can select 3 months, 6 months, or 1 year.
   • Quantity: Select the number of instances you want to purchase.
   

   The Auto-renew option enables the system to renew your service by the purchased period when the service is about to expire.

8. On the confirmation page, confirm your order and click Submit Order.
9. On the Pay page, click Pay.

   After the payment is successful, the newly bought instance will be displayed on the instance list. After the instance status becomes Normal, the instance is created.