Where is the point of presence (pop) and local loop physically located?
The ‘Local Loop’ is the copper telephone line between the telephone exchange and your home. The Internet is (or was) defined as ‘The sum of all computers that communicate using IP [the Internet Protocol]’. Your PC is a part of the internet any time it’s online! PoP dates back to dial-up modems, it does not relate to Cable or ADSL broadband. It was where the ISP located it’s own modem banks for it’s end of the dial-up circuit. ADSL and Cable broadband are rather different. With ADSL, radio frequency signals are sent down the phone line and separated from the voice signal at each end by filters. This allows you to use the phone at the same time as the internet, but because the phone lines were not originally intended for this use and lose a fair bit of the radio signal, the speed you get very much depends how close to the exchange you are and how good the phone cables are between you and the exchange. In a cable modem, depending on the exact technology used, the ethernet data (which in t
