This is by design, because we assume that neither the service consumer nor the service provider need any knowledge of the ESB that exists between them.

设计就是这样的，因为我们假定服务使用者和服务提供者都不需要了解其间存在的ESB的任何信息。

youdao

This nicely decouples the service provider and consumer, but it requires them to have clear knowledge of the particular service broker.

这很好地拆分了服务提供者与使用者，但它要求服务提供者与使用者对特定的服务代理有清晰的了解。

youdao

Knowledge of intermediaries supported by service provider.

了解服务提供者所支持的中介体。

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