In order to quickly and easily build the campus news website of the college,this paper proposed an enterprise-level design program of news management system based on. NET and N-architecture. It described the structure and function of the system as well as the application of interface technology in the data layer. In view of the features of the system,it also expounded on the details of key technologies in four areas such as news gathering,static pages publishing of tag + style + template,management of system permissions and security as well as system' s application process.%通过分析网络地址转换(NAT)会话信息,并结合对比协议分析的方法,跟踪IP数据报文在NAT两端的变化,直观、详细地展现了静态、动态及端口3类地址转换的工作原理.该实验不仅可以使学生直观、深入地理解NAT的原理,同时也增强了学生对各类协议原理及其工作过程的自我研究能力,提高了网络实验的教学质量.
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