关于人们是否真正需要窄带异步传输模式(ATM)的争论已经结束,除几个顽固者外,其他厂商和通信公司都愿把宝压在T1 ATM上。 因其价位比帧中继更具竞争力,用户和厂商均看好这项业务。到1996年底,美国大部分地区都可使用T-1 ATM业务。 在地方贝尔经营公司中,Ameritech公司、贝尔大西洋公司和SBC通信公司都已独立提供T-1 ATM业务。贝尔南方 The debate over whether people really need the narrowband asynchronous transfer mode (ATM) has come to an end, with the exception of a few stubborn ones, and other vendors and telecommunications companies are poised to push the treasure on the T1 ATM. Because the price is more competitive than Frame Relay, users and vendors are optimistic about this business. By the end of 1996, T-1 ATM business could be used in most areas of the United States. Among local Bell operating companies, Ameritech, Bell Atlantic and SBC Communications have independently provided T-1 ATM services. Bell South