At first, the idea probably didn't seem so complicated: Replace the notoriously sluggish dial-up Internet connection and its busy signals and frequent disconnects with a new broadband technology that would work on your phone line and transmit data at speeds unheard of outside the Pentagon. The Internet would be simple, swift, and instantly available, making the "World Wide Wait" a thing of the past. Such was the promise of DSL, and, when it was introduced in 1999, demand for the service took off.
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机译：最初，这个想法似乎并没有那么复杂：用一种新的宽带技术代替臭名昭著的低速拨号Internet连接及其繁忙的信号，并经常断开连接，这种新的宽带技术可以在您的电话线上工作，并以前所未有的速度传输数据。五角大楼。互联网将是简单，迅速且可立即使用的，这使“ World Wide Wait”成为过去。这就是DSL的承诺，当它在1999年推出时，对服务的需求便开始增长。
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