提出一个通用的IPTV网络的物理结构和逻辑构架和一个基于NGOSS的流媒体网络的管理构架及每层的详细管理内容,提出了一个基于SLA的流媒体网络系统网络管理接口标准的研究方法 Proposed a common IPTV network physical structure and logical framework and a NGOSS-based streaming media network management framework and detailed management of each layer content, based on SLA streaming media network system network management interface standard research methods