承载面承载媒体与信令流，信令面完成各种控制功能，应用面是媒体资源服务器。
Bearing plane bears media and signaling traffic, and signaling plane completes all control functions, and application plane means media or resource servers.
本发明涉及用于建立从应用功能（304）到移动终端（301）的服 务交付的策略控制承载业务的方法和装置。
The present invention relates to methods and arrangements for setting up a policy controlled bearer service for delivery of a service from an application function (304) to a mobile terminal (301).
控制平面和转发平面是虚拟路由器的两个基本功能平面，分别承载逻辑控制平面和逻辑转发平面。
Control plane and forwarding plane were two basic function planes in virtual router, correspondingly carrying logical control plane and logical forwarding plane.
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