【摘要】 QoS是现代互联网发展中的一项关键技术,各大通讯研究机构为了能在通讯协议中更好支持QoS付出了很多努力.该文在较全面介绍会话初始协议SIP的基础上对其进行了扩展,扩展后的SIP协议不仅能更好地支持QoS网络,而且机制简单,与原SIP协议完全兼容.更多还原

【Abstract】 In the developing internet,QoS is a key technology.Every communication research organization devote time and care to support QoS better than ever in communication protocols.In this paper,we general describe the SIP protocol and extend it to support QoS network better than the original one.The protocol enhancements preserve backward compatibility with standardized SIP protocol,and the resulting architecture is simple.更多还原