AWS RDS Multi AZ Deployment
- Create new VPC "RDSVPC" with CIDR block is "10.10.0.0/16"
- Create new IGW "RDSIGW"
- Attach RDSIGW to RDSVPC
- Create public subnet "rds-pub-subnet" with CIDR block is "10.10.0.0/24"
- Create route table "rds-rt-public" under "RDSVPC"
- Add route IGW "RDSIGW" to route table "rds-rt-public"show
- Go to subnet association and select public subnet "rds-pub-subnet"
- Create private subnet "rds-pri-master-subnet" with CIDR block is "10.10.1.0/24"
- Create private subnet "rds-pri-replica-subnet" with CIDR block is "10.10.2.0/24"
- Create route table "rds-rt-private" under "RDSVPC"
- Go to subnet association and select private subnet's "rds-pri-master-subnet" & "rds-pri-replica-subnet"

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