(= Very High Speed Digital Subscriber Line,
"väga kiire digitaalne abonendiliin")

olemus
ADSL-tehnoloogia edasiarendus, mis on kiirem (kuni 55 Mbit/s, sõltuvalt kaugusest), kasutab lühikest keerdpaarliin:i (300 kuni 1500 m) ja võimaldab lairibateenuseid (VoIP , HDTV); sagedusala saab jaotada seitsmeks sagedusribaks
= a type of digital subscriber line broadband communications technology used to transmit data over short distances at high speeds over conventional telephone lines

ülevaateid
https://www.blackbox.com/en-au/support/support/resources/black-box-explains/networking/types-of-dsl--shdsl-vdsl-vdsl2-adsl-and-sdsl
https://en.wikipedia.org/wiki/VDSL
https://www.ieee802.org/3/efm/public/jul01/presentations/oksman_1_0701.pdf
https://www.diva-portal.org/smash/get/diva2:996710/FULLTEXT01.pdf
https://www.juniper.net/documentation/en_US/junos/topics/concept/vdsl2-pim-security-interface-technology-overview.html

standardid
https://www.itu.int/rec/T-REC-G.993.1/en
https://www.itu.int/rec/T-REC-G.993.2/en