There is no difference, some people choose one terminlologyWhat is the difference between ADSL and broadband?
over the other.
would ADSL software work with a cable modem.. NO
Cable modems and ADSL modems use entirely different hardware protocols
-- different modulation techniques, network media (for the broadband
links; both often use Ethernet locally), and so on. They're completely
incompatible hardware, although they accomplish similar goals.
Cable modems are TDMA and ADSL is G.DMT.
I'm sure I'm just confusing you so..
There is some good reading here at these sites