自上海、广东省邮电管理局率先建设本省信息网络后,又有浙江、四川、湖南、江苏等省市邮电部门建成或开始建设本省信息网络。由于各省信息网建设初期没有统一的规范作指导,使得各自网络在拓扑结构、路由协议、地址分配及与Chinanet互通技术等问题上存在着一定的差异,从而对全国 Since Shanghai and Guangdong Provincial Post and Telecommunication Administration took the lead in building the province’s information network, another province’s postal and telecommunications departments in Zhejiang, Sichuan, Hunan and Jiangsu have completed or begun construction of their provincial information network. Due to the lack of unified norms for the early construction of provincial information networks, there are some differences in the topologies, routing protocols, address allocation and interoperability with Chinanet among the respective networks. As a result,