Web services require a flexible and extensible mechanism for controlling requests and outcomes in addition to the behavior offered by traditional distributed and database transaction models.

Web服务除需要传统的分布式和数据库事务模型所提供的行为之外，还需要有灵活的、可扩展的机制来对请求和输出结果进行控制。

youdao

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。

youdao