We spent some time on DOCSIS, so I suppose it's only fair to give a bit of equal time. The telephone companies don't have a lot of coaxial cable in the local loop. What they do have a lot of is twisted pair. Enter digital subscriber line (DSL). This is the technology the phone companies turned to so as to squeeze more bandwidth out of their copper plant. Although we tend to associated DSL with Internet services, it's bigger than that. There are a lot of variations, as I will explain to you in today's PodSnack.

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