directory routing

基本解释

The ESB requires some form of service routing directory in order to route service requests.
ESB 需要某种形式的服务路由目录（service routing directory）来路由服务请求。
Business Service Directory provides service routing information that the ESB is relying on, while supporting communications between service requestors and providers.
业务服务目录提供 ESB 所依赖的服务路由信息，同时支持服务请求者和提供者之间的通信。
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。