Upgrade window:
The first phase: From December 5th 23:00 to December 6th 07:00, 2023 (Beijing time)
The second phase: From December 12th 23:00 to December 13th 07:00, 2023 (Beijing time)
The third phase: From December 19th 23:00 to December 20th 07:00, 2023 (Beijing time)
The fourth phase: From December 26th 23:00 to December 27th 07:00, 2023 (Beijing time)

Upgrade content: Anti-DDoS Pro and Anti-DDoS Premium engine system upgrades to improve application layer DDoS attack protection capabilities and engine disaster recovery capabilities.

Impact of the upgrade: During the upgrade, long connection access to some domain names will be interrupted 1 to 2 times (within 30 seconds each time). The client can be restored by reconnecting. Please implement a reconnection and retry mechanism in the client. Please refer to your site letter and email for details of the affected Anti-DDoS instances. If you do not receive the upgrade SMS/site letter/email, it will not be affected.

We apologize for the inconvenience caused to you. If you have any questions or need to make an appointment to change the time, you can contact us at any time through DingTalk group or work order. Thank you for your support and cooperation!
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