TAILIEUCHUNG - Lecture Business data communications and networking (8e): Chapter 9 - Jerry Fitzgerald, Alan Dennis

Chapter 9 - Metropolitan and wide area networks. In this chapter, the following content will be discussed: Introduction, circuit switched networks, dedicated circuit networks, packet switched networks, virtual private networks, best practice MAN/WAN design improving MAN and WAN performance. | Business Data Communications and Networking 8th Edition Jerry Fitzgerald and Alan Dennis John Wiley & Sons, Inc Prof. M. Ulema Manhattan College Computer Information Systems 9 - Copyright 2005 John Wiley & Sons, Inc Chapter 9 Metropolitan and Wide Area Networks 9 - Copyright 2005 John Wiley & Sons, Inc Outline Introduction Circuit Switched Networks Dedicated Circuit Networks Packet Switched Networks Virtual Private Networks Best practice MAN/WAN design Improving MAN and WAN Performance 9 - Copyright 2005 John Wiley & Sons, Inc Introduction Metropolitan area networks (MANs) Span from 3 to 30 miles and connect backbone networks (BNs) and LANs Wide area networks (WANs) Connect BNs and MANs across longer distances, often hundreds of miles or more Typically built by using leased circuits from common carriers such as AT&T Most organizations cannot afford to build their own MANs and WANs, 9 - Copyright 2005 John Wiley & Sons, Inc Introduction (Cont.) Focus of the Chapter

• PR - Truyền thông
• Business data communications
• Data communications networks
• Data communications
• Data communications system
• Circuit switched networks
• Wide area networks
• Data link layer
• Network criteria
• Media access control
• Network models
• Network standards
• Application layer
• Application architectures
• Physical layer
• Digital transmission
• Network and transport layers
• Transport layers
• Local area networks
• Traditional ethernet
• Wireless local area networks
• Wireless LANs
• Backbone networks
• Backbone network architectures
• Network security
• Risk assessment
• Network design
• Traditional network design
• Network management
• Configuration management