在数据信息爆炸式增长的时期，ATM网络技术得到了迅速发展，并在社会信息化过程中扮演着愈来愈重要的角色。 一、ATM的概念 ATM中文名称为异步转移模式。它通过信元实现信息的传输、复接和交换。将数据、声音和图像等信息分解成定长的的信息并在信息块前面装上含有地址、丢失优 In the period of explosive growth of data and information, ATM network technology has been developed rapidly and plays an increasingly important role in the process of social informationization. First, the concept of ATM ATM Chinese name for asynchronous transfer mode. It realizes the transmission, multiplexing and exchange of information through the cell. The data, sounds and images and other information is decomposed into fixed-length information and in front of the information block contains the address, lost excellent