Chapter 4

What is an Intranet?

Intranets vs. LANs

Intranet Advantages

• Standard protocols
• Scalable
• Components cheap/free
• Internet-style information services
• Permits sharing of information

Intranet Disadvantages

• Costs - computer upgrades, cabling, education
• Employees may waste time (stocks, sports, etc.)

Components of an Intranet

• Workstations and Client Software
• Servers and Network Operating System
• Network Cards, Cabling, and Hubs

  Ethernet - most popular connection

  Topologies - star, bus

• Internet Connection
• Security - Firewalls
• Security Policies