专网是专用通信网的简称,它是指由国家政府机关和某些集团行业自行建设,用于本部门沟通信息网络组织。其中网络组织规模较大的专网具有独立的管网设备和通信组织及管理系统,而大多的专网则是租用国家的公众网并与其连接。公众网与专用网是电信网络的两大组成部分,公众网在综合 Private network is a special communication network, it refers to the national government agencies and some groups to build their own industry for the sector to communicate information network organizations. Among them, the large-scale private network of the network organization has independent pipe network equipment, communication organization and management system, and most of the private network is to rent and connect with the public network of the country. Public networks and private networks are two major components of the telecommunications network, the public network in the integrated