So the overload control of MGW in Soft-Switch researched in this paper is a kind of feedback model for service traffic control mechanism which is composed by MGW and MGC together.

• 因此本文研究的软交换体系下媒体网关过载控制是一种由媒体网关和媒体网关控制器共同作用构成的反馈型业务流量控制机制。