The ESB provides a distributed infrastructure while maintaining centralization of control, requiring some form of service routing directory and perhaps a business service directory as well.
ESB在维持集中控制的同时提供分布式的基础架构，因而需要一些形式的服务路由目录，并且还可能需要业务服务目录。
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。
No bottleneck of centralized service is introduced. All data, including metadata and directory files, are distributed into the whole system to provide high performance and scalability.
系统中没有引入集中的服务器瓶颈，所有的数据、元数据和目录文件都被分散存储在整个系统中，以提供高性能和良好的可扩展性。
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