代理组件功能可以通过某个发布与订阅框架来实现，例如通用发布与订阅服务(GPASS) [1,2]。

The broker component functionality can be achieved via a publish and subscribe framework, such as the Generalized publish and subscribe Services (GPASS) [1, 2].

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此外，PROBIT还利用通用发布与订阅服务(GPASS)([1]、[2])将事件分发给事件使用者。

In addition, PROBIT utilizes the Generalized Publish and Subscribe Services (GPASS) ([1], [2]) to distribute events to event consumers.

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