Huawei HyperMetro has two data centers, one primary and one backup. The primary data center service is in operation, and the backup data center host is online and on standby. When the primary data…

Huawei HyperMetro has two data centers, one primary and one backup. The primary data center service is in operation, and the backup data center host is online and on standby. When the primary data center has a device failure or even an overall data center failure, the service automatically switches to the backup data center.