The different types of business broadband available?

ADSL, ADSL2 & ADSL2+
ADSL offers a basic business internet line, which is carried by using the same copper cable that your phone line uses. The speed of your ADSL internet connection will have changing factors, the most noteworthy being your location and the distance you are away from the street cabinet exchange. The maximum download speed you could potentially see would be 8Mbps. In short, the longer the distance from the exchange to your modem, the slower your internet speed will be.
ADSL2 & ADSL2+ are the more modern version of ADSL. The enhanced technology supports the ability to deliver higher broadband speed to your business premises, in particular those that are closest to the exchange.
FIBRE TO THE CABINET – FTTC
Fibre to the cabinet is a connectivity technology that is based on a combination of fibre optic cable and copper cable. The fibre optic cable is in place from the local telephone exchange to a distribution point (commonly called a roadside cabinet), hence the name fibre to the cabinet. From this distribution point a standard telephone line based on copper is then used to deliver the broadband connectivity.
FIBRE TO THE PREMISES – FTTP
You’re probably already familiar with fibre broadband, the high-speed alternative to copper cable broadband which has become the norm in recent years. Traditionally, fibre optic cables have run from your provider’s broadband exchange to the green cabinet in your street, which is then connected to your home with regular copper wires. This is called Fibre to the Cabinet (FTTC). It’s pretty fast, with average speeds varying between 30-70Mb/s. But with our internet dependency greater than ever, you may find yourself needing even faster speeds to support the demands of a fully connected household. Here’s where FTTP comes in.
Boasting speeds of up to 900Mb/s, and with the potential to deliver even faster speeds in the future, FTTP broadband is a genuine game-changer. For context, that's up to 25 times faster than traditional fibre broadband, with up to 10 times faster upload speeds.