Working with Amazon Cloud Map services - Amazon Cloud Map
Services or capabilities described in Amazon Web Services documentation might vary by Region. To see the differences applicable to the China Regions, see Getting Started with Amazon Web Services in China (PDF).

Working with Amazon Cloud Map services

A service is a template for registering service instances, which allow you to locate the resources for an application using DNS queries or the Amazon Cloud Map DiscoverInstances API action, depending on how you configured the namespace.