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CHAPTER 6 Networks

CHAPTER 6 Networks. Size of Computer Networks Home computer network National computer network Global computer network

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Page 1: CHAPTER 6 Networks. Size of Computer Networks Home computer network National computer network Global computer network

CHAPTER 6

Networks

Page 2: CHAPTER 6 Networks. Size of Computer Networks Home computer network National computer network Global computer network

Size of Computer Networks

Home computer network

National computer network

Global computer network

Page 3: CHAPTER 6 Networks. Size of Computer Networks Home computer network National computer network Global computer network

Local Area Networks

Page 4: CHAPTER 6 Networks. Size of Computer Networks Home computer network National computer network Global computer network

Enterprise Network

Page 5: CHAPTER 6 Networks. Size of Computer Networks Home computer network National computer network Global computer network

Communications Media and Channels

Twisted-pair wire

Coaxial cable

Fiber optics

Sources: deepspacedave/Shutterst ock, GIPhotoStock/Photo Researchers, Inc, Philip Hatson/Photo Researchers

Page 6: CHAPTER 6 Networks. Size of Computer Networks Home computer network National computer network Global computer network

Network Protocols

Ethernet

Transmission Control Protocol/Internet Protocol (TCP/IP)

Page 7: CHAPTER 6 Networks. Size of Computer Networks Home computer network National computer network Global computer network

Packet Switching

Page 8: CHAPTER 6 Networks. Size of Computer Networks Home computer network National computer network Global computer network

Analog and Digital Signals

Page 9: CHAPTER 6 Networks. Size of Computer Networks Home computer network National computer network Global computer network

Types of Network Processing

Client/server computing

Peer-to-peer processing

© Matthias Pahl/Age Fotostock America, Inc.

© Toh Kheng Ho/Age Fotostock America, Inc.

Page 10: CHAPTER 6 Networks. Size of Computer Networks Home computer network National computer network Global computer network

An Intranet

© Corbis/Age Fotostock America, Inc.

Page 11: CHAPTER 6 Networks. Size of Computer Networks Home computer network National computer network Global computer network

Addresses on the Internet

IPv432 bits 128 bits

IPv6

Page 12: CHAPTER 6 Networks. Size of Computer Networks Home computer network National computer network Global computer network

The World Wide Web

The World Wide WebNot the same thing as the Internet

Home page

Uniform resource locator

© Ilin Sergey/Age Fotostock America, Inc.

Page 13: CHAPTER 6 Networks. Size of Computer Networks Home computer network National computer network Global computer network

Internet Address example

www.business.auburn.edu

Top level domain: edu

Name of the organization: Auburn University

Name of the specific computer: business

Page 14: CHAPTER 6 Networks. Size of Computer Networks Home computer network National computer network Global computer network

Publication of Material in Foreign Languages

Page 15: CHAPTER 6 Networks. Size of Computer Networks Home computer network National computer network Global computer network

Voice Communication

Two examples of Internet telephony (VoIP)

Skype

Vonage

Page 16: CHAPTER 6 Networks. Size of Computer Networks Home computer network National computer network Global computer network

Collaboration

Work group

Virtual group (team)

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Page 17: CHAPTER 6 Networks. Size of Computer Networks Home computer network National computer network Global computer network

Crowdsourcing

© YURI ACURS/Age Fotostock America, Inc.

Page 18: CHAPTER 6 Networks. Size of Computer Networks Home computer network National computer network Global computer network

Telepresence Systems

See video on Cisco Magic

Source: PRNews Foto/Polycom, Inc./NewsCom