基于IPTV业务的端到端业务质量模型研究与应用

摘要

In the current burgeoning tide of development of IPTV services,the main challenges is the quality of service management issues,especially the end to end quality of service problems,the main difficulty is that when high-definition video images,sound and in%在当前日渐蓬勃发展的IPTV业务大潮中，遇到的主要挑战是业务质量管理问题，尤其是端到端的业务质量问题，主要难点在于当视频的高清晰画面、声音和即时频道转换等信息在IP网络上传送时业务质量变得很难控制和保证。