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Alibaba Cloud Network Maintenance Notice on January 4, 2018

[Alibaba Cloud] [Network] [Maintenance Notice]
Maintenance Overview: In order to continuously improve the network quality, Alibaba Cloud will optimize the network in some regions successively. There could be second-level network jitter and packet loss during maintenance, please complete the reconnection and retry mechanism to ensure business fault tolerance.
Maintenance Impact: the time and impact in each region during the maintenance are as follows:
Beijing time on January 4, 2018
06:00 - 08:00, EU Central 1 (Frankfurt) Region. Impact: Cloud resources access through the public network from the surrounding area may have less than 30s packet loss, and the network delay increases by about 30 ms.
06:00 - 08:00, US East 1 (Virginia) Region. Impact: Cloud resources access through the public network from the surrounding area may have less than 30s packet loss, and the network delay increases by about 30 ms.
10:00 - 12:00, China North 2 (Beijing), US East 1 (Virginia) region, and US West 1 (Silicon Valley) region. Impact: public network access from China North 2 (Beijing) region to US East 1 (Virginia) region and US West 1 (Silicon Valley) region, Express Connect from China North 2 (Beijing) to US East 1 (Virginia) region and US West 1 (Silicon Valley) may have 5s packet loss, and the network delay increases by about 30 ms.

We will pay close attention during the maintenance, feel free to contact us via tickets if there is any problem.