使用标准组件和协议的一个优点是它们可以非常简单地进行替换。
One advantage of the use of standard components and protocols is that they can be replaced fairly easily.
这个规范定义了BPEL引擎和任务组件之间的消息交换协议。
The specification defines a message exchange protocol between the BPEL engine and a task component.
网关组件为服务路由、协议转换以及安全担当着中央控制点的角色。
The gateway component acts as a central control point for service routing, protocol transformation, and security.
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