What are the capabilities and advantages of using DSL technologies?
• Marginal infrastructure investments needed: There is no need for extra access infrastructure – DSL technologies in general use the existing phone lines. DSL technologies are seen as an attractive opportunity especially for fixed line incumbents to re-use its earlier investments in copper infrastructure by upgrading it with DSL capabilities. If there is an existing infrastructure in place, DSL is often seen as fairly cost effective way to rollout a better infrastructure and offer more services to customers. In addition, where unbundling exists, DSL allows competitive operators to offer a variety of broadband services, without having to deploy their own infrastructure. • DSL does not tie up the phone line while active (e.g. using the internet) and No Dial Up: there isn’t any need to ‘dial-up’ the Internet. What are the constraints and disadvantages of using DSL technologies? • Not universally available: DSL is not available everywhere, as the local telephone exchange must be ADSL enabl
