Template:DSL technologies

Symmetric

ANSI / ETSI / ITU-T	HDSL HDSL2 and HDSL4 SHDSL
Proprietary	IDSL SDSL MSDSL Etherloop HVDL DSL Rings

Asymmetric

ANSI / ETSI / ITU-T	ADSL ANSI T1.413 Issue 2 G.dmt G.lite ADSL2 Annex J Annex L G.lite.bis ADSL2+ Annex M VDSL and VDSL2 deployment G.fast and MGfast
Proprietary	ADSL (early CAP variants) RADSL UDSL