Resource Planning

**Table 1** Resource planning
Category	Subcategory	Plan	Description
VPC	VPC name	vpc-DRStar	Specify a name that is easy to identify.
	Region	Test region	To achieve lower network latency, select the region nearest to you.
	AZ	AZ 3	-
	Subnet	192.168.0.0/24	Select a subnet with sufficient network resources.
	Subnet name	subnet-drs01	Specify a name that is easy to identify.
Oracle (source database)	Name	orcl	Specify a name that is easy to identify.
	Specifications	16vCPUs \| 32GB	-
	Database version	11.2.0.1	-
	Database user	test_info	You can customize a user with the minimum permissions. For details, see here.
DDM (destination database)	DDM instance name	ddm-DRS-AUTOTEST-001	Specify a name that is easy to identify.
	Region	Test region	To achieve lower network latency, select the region nearest to you.
	AZ	AZ 3	You can select one or more AZs. You are advised to create the instance across different AZs to improve service reliability.
	Node specifications	General-enhanced 4 vCPU \| 8 GB	-
	Nodes	1	A single node has high availability risks. In practice, you are advised to create at least two nodes.
RDS instance associated with the DDM instance	RDS instance name	rds_ddm01	Specify a name that is easy to identify.
	Region	Test region	To achieve lower network latency, select the region nearest to you.
	Database version	MySQL 5.7	-
	Instance type	Single	A single instance is used in this example. To improve service reliability, select a primary/standby instance.
	Storage type	SSD	-
	AZ	AZ 3	A single instance is used in this example. To improve service reliability, create a primary/standby RDS instance and then deploy them in different AZs.
	Specifications	General-purpose 4 vCPUs \| 8 GB	-
DRS synchronization task	Synchronization task name	DRS-OracleToDDM	Specify a name that is easy to identify.
	Source DB engine	Oracle	In this example, the source database is an Oracle database.
	Destination DB engine	DDM	In this example, the destination database is a DDM instance.
	Network type	Public network	Public network is used in this example.