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Data Transmission Service:Cross-border and cross-region tasks

最終更新日:Jan 17, 2024

This topic describes how to determine the type of a Data Transmission Service (DTS) instance based on the regions in which the source and destination database instances reside.

Background information

DTS regions can be divided into regions in China and regions outside China.

  • Regions in China include the Chinese mainland, China (Hong Kong), China (Macau), and China (Taiwan).

  • Regions outside China are regions other than the Chinese mainland, China (Hong Kong), China (Macau), and China (Taiwan).

Instance type

The type of a DTS instance is determined by the regions in which the source and destination database instances reside. The following table describes the types of DTS instances.

Region in which the source database resides

Region in which the destination database resides

Instance type

Regions in the Chinese mainland

Regions in the Chinese mainland (same as the source region)

Same-region

Regions in the Chinese mainland (different from the source region)

Cross-region

China (Hong Kong), China (Macao), China (Taiwan), and regions outside China

Cross-border

China (Hong Kong)

Regions in the Chinese mainland

Cross-border

China (Hong Kong)

Same-region

China (Macao), China (Taiwan), and regions outside China

Cross-region

China (Macao)

Regions in the Chinese mainland

Cross-border

China (Macao)

Same-region

China (Hong Kong), China (Taiwan), and regions outside China

Cross-region

China (Taiwan)

Regions in the Chinese mainland

Cross-border

China (Taiwan)

Same-region

China (Hong Kong), China (Macao), and regions outside China

Cross-region

Regions outside China

Regions in the Chinese mainland

Cross-border

Regions outside China (same as the source region)

Same-region

China (Hong Kong), China (Macao), China (Taiwan), and regions outside China (different from the source region)

Cross-region

References