What do you understand by asymmetric VDSL?

1.	What do you understand by asymmetric VDSL?
Answer» VDSL is designed to offer a multitude of asymmetric broadband services, including digital television broadcasting, video on demand (VoD), high-speed Internet access, distance learning and telemedicine, to name a few. The delivery of these services requires the downstream channel to have a higher bandwidth that the channel upstream and is asymmetrical. For example, HDTV requires 18 Mbps for video content downstream. Upstream, however, it does not require the transmission of signaling information (e.g., change of channel or program selection), which is of the order of kbps.

Answer»

VDSL is designed to offer a multitude of asymmetric broadband services, including digital television broadcasting, video on demand (VoD), high-speed Internet access, distance learning and telemedicine, to name a few.

The delivery of these services requires the downstream channel to have a higher bandwidth that the channel upstream and is asymmetrical. For example, HDTV requires 18 Mbps for video content downstream. Upstream, however, it does not require the transmission of signaling information (e.g., change of channel or program selection), which is of the order of kbps.

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