计算机局域网简称局域网(LAN,Local Area Network),是计算机通信中发展最快的一个分支.它始于20世纪70年代,经过技术开发阶段和商品化阶段,促使彼此独立的众多个计算机(如微机、工作站)进入网络环境.局域网技术的研究一直是计算机通信与网络领域中的一个主要内容.-called Computer LAN local area network (LAN, Local Area Network) Computer Communication is the fastest growing of a branch. It began in the 1970s in the 20th century. After the development stage and technology commercialization stage, independent of each other to promote the many computer (such as the computer, Workstations) entered the network environment. LAN technology has been in communication with the computer network in the area as a major .