[Upgrade] Notice of Upgrade of Aliyun Hong Kong Node Network Equipment in the Early Morning of January 26

Upgrade window: January 26, 2022, 01:00 - 06:00 Beijing time

Upgrade content: Alibaba Cloud Hong Kong node network equipment upgrade, during which routing convergence may be triggered.

Upgrade impact: The scope of impact is Hong Kong Alibaba Cloud and China Telecom, China Unicom, and China Mobile. Under normal circumstances, the user has no perception. In abnormal cases, route convergence may cause two minute-level jitter. The jitter basically has no effect on the long-connection service with automatic reconnection. Please ensure that you do a good job of reconnection retry in the service to enhance the fault tolerance of the service.

Please forgive the inconvenience caused to you. If you have any questions, please contact us for consultation and feedback.