An enterprise plans to build a 3DC architecture on Huawei Cloud. The customer requires cross- region DR to avoid service interruption and RPO of zero. The technicians provide a cloud-based 3DC…

An enterprise plans to build a 3DC architecture on Huawei Cloud. The customer requires cross- region DR to avoid service interruption and RPO of zero. The technicians provide a cloud-based 3DC solution, including storage disaster recovery service (SDRS) and cloud backup and recovery (CBR). Production center X and DR center Y are built in Zone A1 and AZ2, and remote DR center Z is built in Zone B. The DR requirements of zero RPO and zero RTO can be met between data centers X and Z