这还允许添加或删除服务提供者，且不会中断服务。
This also allows the services providers to be added or removed without disruption to the service.
您可以随意添加或删除服务提供者，而不会带来任何干扰。
Service providers can be added or removed without disruption.
从物理的角度来说，旁路方法(如图3所示)允许您在自顶向下或自底向上方法的旁路添加或删除Web服务组件。
From a physical perspective, the sideway approach (shown in Figure 3) allows you to add or delete Web service components sideway to the top-down or bottom-up approach.
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