Connecting to a DB Instance
An RDS DB instance can be connected through a private network, the Data Admin Service (DAS) service, or a public network.
| Connect Through | IP Address | Scenarios | Description |
|---|---|---|---|
| No IP address is required. You can log in to the DAS console and use RDS directly. | Data Admin Service (DAS) enables you to manage databases on a web-based console and supports SQL execution, advanced database management, and intelligent O&M, simplifying database management and improving working efficiency and data security. The permissions required for connecting to DB instances through DAS are enabled by default. |
| |
| 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. |
| |
| 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.
- You can log in to DB instances using the Data Admin Service (DAS) service or other database clients.
- 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.
Connecting to DB Instances Running Other DB Engines
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