Very-high-speed digital subscriber line(VDSL) is the fastest access technology of the xDSL family.

甚高速数字用户线（VDSL）是数字用户线（DSL）家族中速率最高的接入方式。

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High - speed Digital Subscriber Line?

高速数字用户线HDSL ？

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This development has prompted the former incumbents to accelerate the introduction of DSL (digital subscriber line) technologies to provide high-speed Internet access over the phone lines, Sarkar added.

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It found that 2003 was a good year for consumers, with competition driving down the cost of a high-speed net connection over the phone line via ADSL (Asymmetric Digital Subscriber Line).

BBC: The cost of getting broadband seems unlikely to change

Alcatel holds a dominant position in the digital subscriber line (DSL) market, which provides high-speed Internet access over conventional phone lines.

FORBES: Laggard