Help Center> Data Replication Service> Best Practices> Real-Time Migration> From RDS for MySQL to DDM> Overview
Updated on 2024-01-02 GMT+08:00
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Overview

Description

This section describes:

  • How to create an RDS for MySQL instance on Huawei Cloud.
  • How to create a DDM instance on Huawei Cloud.
  • How to migrate data from RDS for MySQL instances in different regions to DDM through a VPN.

Prerequisites

  • You have registered with Huawei Cloud.
  • Your account balance is greater than or equal to $0 USD.

Service List

  • Virtual Private Cloud (VPC)
  • Virtual Private Network (VPN)
  • Relational Database Service (RDS)
  • Distributed Database Middleware (DDM)
  • Data Replication Service (DRS)
  • Data Admin Service (DAS)

Deployment Architecture

In this example, the source is a Huawei Cloud RDS for MySQL instance and the destination is a DDM instance in different regions of Huawei Cloud. Data is migrated from the source database to the destination database through a VPN. For details about the deployment architecture, see Figure 1.

Figure 1 VPN scenario

Before You Start

  • The resource planning in this best practice is for demonstration only. Adjust it as needed.
  • The test data is for reference only. For more information about DRS, click here.