Updated on 2022-06-06 GMT+08:00

Connection Methods

You can access DDS over private or public networks.

Table 1 Connection methods

Method

IP Address

Scenario

Description

DAS

Not required

DAS provides a GUI and allows you to perform visualized operations on the console. SQL execution, advanced database management, and intelligent O&M are available to make database management simple, secure, and intelligent.

  • Easy to use, secure, advanced, and intelligent
  • Recommended

Private network

Private IP address

DDS provides a private IP address by default.

If your applications are running on an ECS in the same region, AZ, and VPC subnet as your DDS instance, you are advised to use a private IP address to connect the ECS to your DDS instances.

Secure and excellent performance

Public network

EIP

  • If your applications are running on an ECS that is in a different region from the one where the DB instance is located, use an EIP to connect the ECS to your DDS DB instances.
  • If your applications are deployed on another cloud platform, EIP is recommended.
  • Low security
  • For faster transmission and improved security, you are advised to migrate your applications to an ECS that is in the same subnet as your DDS instance and use a private IP address to access the instance.