July 20 Anti-DDoS Pro Upgrade Notice

[Alibaba Cloud] [Anti-DDoS Pro] [Upgrade Notice]
Upgrade window:
Anti-DDoS Pro China Unicom China Northeast Server Room: Beijing time 01:00-06:00 on July 20, 2018 (PST 09:00-14:00 on July 19, 2018)
Anti-DDoS Pro China Unicom China North Server Room: Beijing time 00:00-06:00 on July 20, 2018 (PST 08:00-14:00 on July 19, 2018)
Anti-DDoS Pro Hong Kong Server Room: Beijing time 00:00-06:00 on July 20, 2018 (PST 08:00-14:00 on July 19, 2018)

Upgrade content: Upgrade operation at Anti-DDoS Pro China Unicom China Northeast Server Room, China Unicom China North Server Room and Hong Kong Server Room.

Upgrade impact:
Anti-DDoS Pro China Unicom China Northeast Server Room: During the upgrade, there will be a minute-level network interruption (within 5 minutes). It is recommended that users switch the traffic of the China Unicom China Northeast line to other Anti-DDoS Pro lines before 0:00 on July 20, 2018, Beijing time, such as BGP or China Telecom lines. The traffic of China Unicom China Northeast line will be restored after 6 pm on July 20, 2018, Beijing time.
Anti-DDoS Pro China Unicom China North Server Room: During the upgrade, the TCP connection will be flashed once. The flash will not affect the short connections and the long-connection services with automatic reconnection business. Please make sure your applications include a reconnection mechanism to ensure fault tolerance.
Anti-DDoS Pro Hong Kong Server Room: During the upgrade, there will be no impact under normal conditions. In extreme cases, some strong security check IPs will need to be re-authenticated, which may cause TCP connection flash. The flash will not affect the short connections and the long-connection services with automatic reconnection business. Please make sure your applications include a reconnection mechanism to ensure fault tolerance.

We apologize for any inconvenience caused. If you have any questions, please feel free to contact us by submitting a ticket any time.

Alibaba Cloud