Connecting to a DB Instance
An RDS DB instance can be connected through a private network or a public network.
Connect Through |
IP Address |
Scenarios |
Description |
---|---|---|---|
Private network |
Floating IP |
RDS provides a floating IP address by default. When your applications are deployed on an ECS that is in the same region and VPC as RDS, you are advised to use a floating IP address to connect to the RDS DB instance through the ECS. |
|
Public network |
EIP |
If you cannot access an RDS DB instance through a floating IP address, bind an EIP to the DB instance and connect the DB instance to the ECS through the EIP. |
|
- VPC: indicates the Virtual Private Cloud.
- ECS: indicates the Elastic Cloud Server.
- If the ECS is in the same VPC as your RDS DB instance, you do not need to apply for an EIP.
Figure 1 illustrates the connection over a private network or a public network.
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