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In order to use the Anti-DDoS Pro service (the "Service"), you should read and observe this Anti-DDoS Pro Service Level Agreement (this "Agreement", or this "SLA") and the Tencent Cloud Service Agreement. This Agreement contains, among others, the terms and definitions of the Service, Service availability and Service uptime metrics, compensation plan and release of liabilities. Please carefully read and fully understand each and every provision hereof, and the provisions restricting or releasing certain liabilities, or otherwise related to your material rights and interests, may be in bold font or underlined or otherwise brought to your special attention.

Please do not purchase the Service unless and until you have fully read, and completely understood and accepted all the terms hereof. By clicking "Agree"/ "Next", or by purchasing or using the Service, or by otherwise accepting this Agreement, whether express or implied, you are deemed to have read, and agreed to be bound by, this Agreement. This Agreement shall then have legal effect on both you and Tencent Cloud, constituting a binding legal document on both parties.

1. Terms and Definitions

1.1 Anti-DDoS Pro Service means the anti-DDoS service provided by Tencent Cloud for the anti-DDoS instance you purchased. For details, please refer to the Service purchased by you and the content of Service provided by Tencent Cloud.

1.2 Service Unavailable: The packet loss rate is higher than 20% or TCP connection success rate is less than 30% due to Anti-DDoS Pro Service. This does not refer to the availability of the entire service chain. For example, issues such as maxed out bandwidth or server malfunction do not apply.

1.3 Service Downtime: The aggregated minutes during which the Service is unavailable within a Service Month. Each minute is considered one measurement point for Anti-DDoS Pro service. The sum of the measurement points of which the Service is unavailable during a Service Month shall be the Service Downtime calculated in minutes for such Service Month.

1.4 Service Month(s): Service Month(s) means the calendar month(s) within the term of the Service purchased by you. For example, if you purchase the Service for a term of three months starting from March 17, there will be four (4) Service Months (the first Service Month from March 17 to March 31, the second from April 1 to April 30, the third from May 1 to May 31, and the fourth from June 1 to June 16). The availability of the Service will be calculated independently for each Service Month.

2. Service Availability/ Service Uptime Metrics

2.1 Calculation of Service Availability/Service Uptime Metrics

Service Availability = ((total time of a Service Month calculated in minutes - Service Downtime calculated in minutes within a Service Month) / total time of a Service Month calculated in minutes) × 100%

2.2 Service Availability/ Standard Indicator
The Service Availability of the Service provided by Tencent Cloud will be no less than [99.9]%. You are entitled to the compensation as set forth in Section 3 below if the Service Availability fails to meet the aforementioned standard, other than in any circumstance as provided for in the release of liabilities provisions below.

3. Service Compensation

In respect of this Service, if the Service Availability fails to meet the abovementioned standard, you will be entitled to compensations in accordance with the following terms:

3.1 Standards of Compensation

(1) Compensations will be made in the form of voucher by Tencent Cloud, and you should follow the rules for using the voucher (including the valid term; for details, please refer to the rules of vouchers published on Tencent Cloud's official website). You cannot redeem such voucher for cash or request to issue an invoice for such voucher. Such voucher can only be used to purchase the Service by using your Tencent Cloud account. You cannot use the voucher to purchase other services of Tencent Cloud, nor should you give the voucher to a third party for consideration or for free.

(2) If the Service Availability for a Service Month fails to meet the standard, the amount of compensation will be calculated for such month independently, and the aggregate amount shall be no more than the applicable monthly service fee paid by you for such month (the monthly service fee referred herein shall exclude the portion deducted by a voucher or promotional credits, due to discounted service fee or otherwise deducted).

3.2 Time Limit for Compensation Application

(1) If the Service Availability for a Service Month fails to meet the abovementioned Service Availability standard, you may apply for compensation through (and only through) the support ticket system under your relevant account after the fifth (5^th^) business day of the month immediately following such Service Month. Tencent Cloud will verify and ascertain your application upon receipt of such application. If there is any dispute over the calculation of the Service Availability for a Service Month, both parties agree that the back-end record of Tencent Cloud will prevail.

(2) You should apply for such compensation no later than sixty (60) calendar days following the expiry of the applicable Service Month in which the Service Availability fails to meet the standard. If you fail to make any application within such period, or make the application after such period, or make the application by any means other than that agreed herein, it shall be deemed that you have voluntarily waived your right to apply for such compensation and any other rights you may have against Tencent Cloud, in which case Tencent Cloud has the right to reject your application for compensation and not to make any compensation to you.

3.3 Compensation Application Materials

If you believe that the Service fails to meet the Standards of Service Availability, you may submit the compensation application within the period set forth in this SLA. Your compensation application shall be submitted along with the following documents:

(1) a detailed incident description report;

(2) specific date, time, duration and other details relating to Service unavailability, cleaning time or portion of normal traffic;

(3) if your compensation application is based on abnormal portion of normal traffic, the capture document evidencing the existence and amount of abnormal traffic lasting for at least one hour shall be provided;

(4) other information reasonably requested by Tencent Cloud.

4. Release of Liabilities

If the Service is unavailable due to any of the following reasons, the corresponding Service downtime shall not be counted towards Service unavailability period, and is not eligible for compensation by Tencent Cloud, and Tencent Cloud will not be held liable to you:

4.1 the Service is unavailable or fail to meet the Service Availability standard due to the act of You or your end users, which poses a security threat to the Service provided by Tencent Cloud, or is fraudulent or illegal;

4.2 the Service is unavailable or fail to meet the Service Availability standard due to the device, software or technology of You or any third party (not directly controlled by Tencent Cloud);

4.3 the Service is unavailable or fail to meet the Service Availability standard due to your failure to use the products in accordance with the specification required by Tencent Cloud;

4.4 the Service is unavailable or fail to meet the Service Availability standard due to your violation of any Tencent Cloud products' terms;

4.5 the Service is unavailable or fail to meet the Service Availability standard due to your non-payment or delayed payment;

4.6 the Service is unavailable or fail to meet the Service Availability standard due to a severe malfunction of a network operator;

4.7 the Service is unavailable or fail to meet the Service Availability standard due to your non-compliant or illegal use of Tencent Cloud products;

4.8 the Service is unavailable or fail to meet the Service Availability standard due to various source server problems at the backend of the Anti-DDoS Pro Service, such as fully-occupied bandwidth, IP exposure, machine room malfunction, and chain network jitter of the source server;

4.9 the Service is unavailable or fail to meet the Service Availability standard due to the maintenance or upgrade of any network, hardware or service (Tencent Cloud will notify you in advance of the schedule of maintenance in accordance with reasonable business principles);

4.10 the Service is unavailable or fail to meet the Service Availability standard due to any event of force majeure;

4.11 the Service is unavailable or fail to meet the Service Availability standard due to traffic attacks that exceed the service specification of the Anti-DDoS Pro Service you purchased, resulting in IP being routed into a black hole;

4.12 the Service is unavailable or fail to meet the Service Availability standard due to any reason not attributable to Tencent Cloud;

4.13 any other circumstances in which Tencent Cloud will be exempted or released from its liabilities (for compensation or otherwise) according to relevant laws, regulations, agreements or rules, or any rules or guidelines published by Tencent Cloud separately.

5. Miscellaneous

5.1 The parties hereto acknowledge and agree that, for any losses incurred by you during the course of using the Service due to any breach by Tencent Cloud, the aggregate compensation amount payable by Tencent Cloud shall under no circumstance exceed the total service fees you have paid for the relevant Service which is not performed.

5.2 Tencent Cloud has the right to amend the terms of this Agreement as appropriate or necessary in light of changes in due course. You may review the most updated version of relevant Agreement terms on the official website of Tencent Cloud. If you disagree with such revisions made by Tencent Cloud to this Agreement, you have the right to cease using the Service; by continuing to use the Service, you shall be deemed to have accepted the Agreement as amended.

5.3 As an ancillary agreement to the Tencent Cloud Service Agreement, this Agreement is of the same legal effect as the Tencent Cloud Service Agreement. In respect of any matter not agreed herein, you shall comply with relevant terms under the Tencent Cloud Service Agreement. In case of any conflict or discrepancy between this Agreement and the Tencent Cloud Service Agreement, this Agreement prevails to the extent of such conflict or discrepancy. (End of Document)