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ATM 是 Asynchronous Transfer Mode 的缩写,中文译为异步传输方式或异步转移方式,它是近年来 ISDN 发展进程中的一个最为引人注目的研究课题。在1988年的 CCITTI.121建议中,提议在下一代宽带 ISDN 中采用 ATM 技术,并计划在1995年以前实现商用化。为此,世界各国都投入很大力量,竞相开展此项研究,在理论上已取得不少成果,ATM 专用网的面世亦已指日可待。
ATM is short for Asynchronous Transfer Mode, which is translated into asynchronous transmission mode or asynchronous transfer mode in Chinese. It is one of the most striking research topics in the development of ISDN in recent years. In the CCITTI.121 Recommendation of 1988, ATM technology was proposed for use in next generation broadband ISDN and it is planned to be commercialized by 1995. To this end, all countries in the world have devoted a great deal of effort to competing this study. In theory, many achievements have been made. The advent of ATM private networks is just around the corner.