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We identify key architectural principles in networking, including layering and service models. We provide brief introduction history of computer networking. Finally, we provide a brief overview of ATM, a networking technology that provides an important contrast with Internet technologies.
Introduction: Access networks This chapter provides an introduction to the rapidly emerging access network services and technologies. It starts with an outline of modern telecommunication networks widely deployed to connect customers with a core network via an access network, and
The term “connection point” refers to the interface at which the user gains access to the internet service and can connect the equipment which is to have internet access. It is to the connection point that the provider undertakes to provide internet access at a specified standard.
The Broadband Access Networks: Technologies and Deployments book con- denses the relentless research, design, and deployment experience of state-of-the- art access networks.
Broadband Definition. Broadband in telecommunication means a wide bandwidth which can transport multiple signals over a “broad” range of frequencies and support different internet traffic types, allowing multiple data streams to be sent at once. High-Speed Internet Definition.
We now live in a world where broadband access is the norm and households without it are the exception. No one asks today why the average household would need broadband access. The answer is obvious: we need internet access, with its ever-growing number of applications, and VOD (video on demand).
The Internet • The Internet: An internet that spans the world – Original goal was to develop a means of connecting networks that would not be disrupted by local disasters. – Today it has shifted from an academic research project to a commercial undertaking. – Decentralized, open, distributed
