SimpleResolutionService为通用的用例提供了进一步的抽象，在这类用例中，元数据服务和数据服务与中心服务共存。

SimpleResolutionService provides a further abstraction for the common use case in which the Metadata Service and data Service are hosted together with the Authority Service.

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数据服务(又称实体服务[entity Services])因为几个特性使其具有可重用性：通用的天性、平台互操作性，以及支持多种消费模式。

Data services - also known as Entity services - are reusable because of several characteristics - generic nature, platform interoperability, and support for multiple consumption patterns.

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这一切要归功于一组通用的驱动程序、工具集、通用的 SQL API（用于 DB2 数据服务器）、通用的 Web Services 框架、通用的连通性代码等等。

This is all due to a set of common drivers, toolset, a common SQL API (for DB2 data servers), common Web Services framework, common connectivity code, and more.

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