SDRS and Other Services

**Table 1** Asynchronous replication and other services
Interaction	Related Service	Reference
Use ECSs to create protected instances in asynchronous replication.	ECS	Creating Protected Instances
Use EVS disks to create replication pairs in asynchronous replication.	EVS	Creating Protected Instances
Create a disaster recovery network on the cloud for asynchronous replication.	VPC	Creating a Replica Pair
Cache the production site and disaster recovery site data.	OBS	-

**Table 2** Synchronous replication and other services
Interaction	Related Service	Reference
Use ECSs to create protected instances in synchronous replication.	ECS	Creating Protected Instances
Use EVS disks to create replication pairs in synchronous replication.	EVS	Creating a Replication Pair
Use DSS disks to create replication pairs in synchronous replication.	DSS	Creating a Replication Pair
Select a VPC for the protection group in synchronous replication.	VPC	Creating a Protection Group