WHAT IS DSL - Digital Subscriber Line

DSL is a group of networking technologies that allow for WAN connections over existing 

telephone network wires. Originally short for Digital Subscriber Loop, DSL is more commonly 

referred to today as Digital Subscriber Line. Loop refers to the short-haul connection 

between the end user's home or business and the local telephone company office where the 

DSL equipment resides. Line is merely a friendlier term that more people would understand 

than loop. When people refer to DSL, they generally are referring to ADSL, the most 

commonly used of DSL technologies