The fourth layer shows how those services flow from one to another according to a set of business processes.
第四层向您展示了那些服务是如何根据一套业务流程从一个流向另一个的。
2
Gating is accomplished by configuring three separate points in the infrastructure that control the flow and volume of requests into the next layer.
您可以通过配置基础结构中三个不同的点来实现限制，这些点可控制流向下一层的请求的流动和容量。
3
If any proprietary process flow or workflow layer is used, check whether it is in compliance with BPEL standards by porting to external BPEL design tools and runtime engines.