:original_name: dds_02_0003.html .. _dds_02_0003: Service Process =============== This section describes how to create a cluster instance, set a security group, and connect to a cluster instance. Intended Audience ----------------- - Users who create the DDS DB instance for the first time. - Users who need to perform the initial configuration after a DB instance is created. - Users who want to know how to connect to the DDS DB instances. Process ------- The following describes the steps from creating a DB instance to using it. .. figure:: /_static/images/en-us_image_0284274985.png :alt: **Figure 1** Accessing DB instances from a public network **Figure 1** Accessing DB instances from a public network .. figure:: /_static/images/en-us_image_0284275243.png :alt: **Figure 2** Accessing DB instances from a private network **Figure 2** Accessing DB instances from a private network