This topic describes the billing methods of the Anti-DDoS Premium Secure Mainland China Acceleration (Sec-MCA) mitigation plan.
The Sec-MCA mitigation plan of Anti-DDoS Premium supports only the subscription billing method. Before you use the Sec-MCA mitigation plan, you must purchase an Anti-DDoS Premium instance. When you purchase an Anti-DDoS Premium instance, you must select the Sec-MCA mitigation plan, instance specifications, and subscription period and complete the payment. An Anti-DDoS Premium instance of the Sec-MCA mitigation plan provides access acceleration and DDoS mitigation services within the subscription period.
The following table describes the prices of an Anti-DDoS Premium instance of the Sec-MCA mitigation plan with the default specifications at different clean bandwidths. An Anti-DDoS Premium instance of the Sec-MCA mitigation plan provides the Standard and Enhanced function plans. The prices vary based on the function plan. For more information about the Standard and Enhanced function plans, see Function plan.
If the actual bandwidth exceeds the clean bandwidth of the instance, throttling and packet loss may occur. In this case, your services may become unavailable, respond slowly, or have high latency for a period of time.If the clean bandwidths listed in the following table cannot meet your business requirements, submit a ticket.
|Mitigation plan||Clean bandwidth||Unit price of the Standard function plan (USD/month)||Unit price of the Enhanced function plan (USD/month)|
Two advanced mitigation sessions per calendar month
Note You can purchase global advanced mitigation sessions to obtain more advanced mitigation sessions. For more information, see Billing methods of global advanced mitigation sessions.
The following table describes the default specifications of an Anti-DDoS Premium instance of the Sec-MCA mitigation plan and the prices for upgrades. If the default specifications cannot meet your business requirements, you can select higher specifications when you purchase the instance. You can also upgrade the instance after you purchase it.
|Item||Description||Default value||Price for upgrades|
|Number of protected ports||The number of TCP and UDP ports that the instance can protect||5||Price for every five ports: USD 150/month|
|Number of protected domain names||The number of HTTP and HTTPS domain names that the instance can protect||10
Note You can add one second-level domain name and nine subdomains of this second-level domain name. Alternatively, you can add 10 domain names that belong to a second-level domain name.
Note For every 10 additional domain names, the total number of second-level domain names that are supported is increased by one.
|Queries per second (QPS)||The maximum number of HTTP and HTTPS requests that the instance can concurrently process per second if no attacks occur||500 QPS||Price for every 100 QPS: USD 150/month|
|Time period||Protection capability||Traffic forwarding||Instance configuration|
|From the expiration date to 30 (excluded) calendar days after the expiration date||The instance provides only the basic protection against attacks of 5 Gbit/s.
If you renew your instance within this time period, the instance continues to provide the protection capabilities based on the plan that you purchased.
|The instance still forwards service traffic.||Instance configurations are retained.|
|30 (included) calendar days after the expiration date to later points in time||The instance provides only the basic protection against attacks of 5 Gbit/s.||The instance no longer forwards service traffic.
Warning If you no longer need Anti-DDoS Premium, you must switch service traffic from the Anti-DDoS Premium instance to the origin server 30 calendar days before the expiration date. Otherwise, access to your services may be adversely affected. If you want to switch service traffic, make sure that the domain name of your website does not map to the CNAME assigned by Anti-DDoS Premium. You must also make sure that your non-website service does not use an exclusive IP address provided by the instance.
|The Anti-DDoS Premium instance is released.
Warning After all Anti-DDoS Premium instances that are created by using your Alibaba Cloud account are released, the configurations that are added to Anti-DDoS Premium, such as website access configurations, port access configurations, mitigation settings, and reports, are deleted and cannot be restored. If you want to use Anti-DDoS Premium again, you must purchase and configure another Anti-DDoS Premium instance.
You cannot cancel the subscription of an Anti-DDoS Premium instance before the expiration date. The 5-day money-back guarantee does not apply to subscription Anti-DDoS Premium instances. After you create an Anti-DDoS Premium instance, you cannot request a refund of the fees that you paid.