This is an important feature of a global directory service.

这是全球目录服务的一个重要功能。

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This meta-information contains compact statistics and quality-of-service information, and effectively forms a global directory.

这个Meta信息中包含着压缩的数据和服务质量信息，这可以有效的形成一个全球性的目录。

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Also, the distributed structure defined early on is still in place: Directory services are distributed across a network, with each distributed service maintaining a portion of the global database.

同样，早年定义的分布结构现仍存在：目录服务分布在整个网络中，每种分布式服务保存着整个数据库的一部分。

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