【摘要】 <正> 1.引言 VoIP(Voice-over-IP)是指应用IP技术传输语音包、实现相关服务管理与控制的工具或协议的集合。由于VoIP的技术优势和成本优势,VoIP是目前增长最快的通讯技术之一。但它还存在一些技术问题亟待进一步研究解决,如目前还没有VoIP的质量控制标准。更多还原

【Abstract】 In this paper, we briefly introduce the architecture of VoIP application at the beginning. Then we focus on discussing QoS management mechanisms in data plane and control plane in detail. We explore the implementation of QoS management system by describing the prototype system QNet. At last, we discuss their future trends and present several issues remained to be studied by combining the experiences of our research.更多还原