城市区域网建设是一个系统工程 ,不仅包括网络平台的建设 ,还包括信息平台的建立。本文结合有线电视城域网的特点 ,在全面分析网络建设与运营基本思路的基础上 ,较为详尽地论述了城域网核心层及接入层的技术发展动态 ,并对网络技术选型的相关问题进行了深入探讨 ,同时以市场运营的观点对网络业务的开展作了一定阐述 ,以期和业界同仁进行交流探讨 Urban area network construction is a systematic project, including not only the construction of network platform, but also the establishment of information platform. Based on the comprehensive analysis of the basic ideas of network construction and operation, this paper discusses the technology development of the core layer and access layer of MAN in more detail, combining with the characteristics of CATV MAN. Problems in-depth discussion, at the same time from the point of view of market operations carried out on the network business made some elaboration, with the industry colleagues to discuss the exchange