Contents

• 1. INTRODUCTION
  • 1.1. USES OF COMPUTER NETWORKS
  • 1.2. NETWORK HARDWARE
    • 1.2.1. Local Area Networks
    • 1.2.2. Metropolitan Area Networks
    • 1.2.3. Wide Area Networks
    • 1.2.4. Wireless Networks
    • 1.2.5. Internetworks
  • 1.3. NETWORK SOFTWARE
    • 1.3.1. Design Issues for the Layers
    • 1.3.2. Interfaces and Services
    • 1.3.3. Some terminology:
    • 1.3.4. Connection-oriented and Connectionless Services
  • 1.4. REFERENCE MODELS
    • 1.4.1. The OSI Reference Model
    • 1.4.2. The Physical Layer
    • 1.4.3. The Data Link Layer
    • 1.4.4. The Network Layer
    • 1.4.5. The Transport Layer
    • 1.4.6. The Session Layer
    • 1.4.7. The Presentation Layer
    • 1.4.8. The Application Layer
    • 1.4.9. Data Transmission in the OSI Model
    • 1.4.10. The TCP/IP Reference Model
    • 1.4.11. The Internet Layer
    • 1.4.12. The Transport Layer
    • 1.4.13. The Application Layer
    • 1.4.14. The Host-to-Network Layer
    • 1.4.15. The ARPANET Story
    • 1.4.16. A Comparison of the OSI and TCP Reference Models
    • 1.4.17. A Critique of the OSI Model and Protocols
    • 1.4.18. Bad Timing
    • 1.4.19. Bad Technology
    • 1.4.20. Bad Implementation
    • 1.4.21. Bad Politics
    • 1.4.22. A Critique of the TCP/IP Reference model
  • 1.5. EXAMPLE NETWORKS
    • 1.5.1. Novell NetWare
    • 1.5.2. NSFNET
    • 1.5.3. The Internet
    • 1.5.4. Gigabit Testbeds
  • 1.6. EXAMPLE DATA COMMUNICATION SERVICES
    • 1.6.1. X.25 Networks
    • 1.6.2. Frame Relay
    • 1.6.3. Broadband ISDN and ATM
    • 1.6.4. The B-ISDN ATM Reference Model
    • 1.6.5. Perspective on ATM
• 2. THE PHYSICAL LAYER
  • 2.1. THE THEORETICAL BASIS FOR DATA COMMUNICATION
    • 2.1.1. Fourier Analysis
    • 2.1.2. Bandwidth-Limited Signals
    • 2.1.3. The Maximum Data Rate of a Channel
  • 2.2. TRANSMISSION MEDIA
    • 2.2.1. Magnetic media
    • 2.2.2. Twisted pairs
    • 2.2.3. Baseband Coaxial Cable
    • 2.2.4. Broadband Coaxial Cable
    • 2.2.5. Fiber Optics
    • 2.2.6. Transmission of Light through Fiber
    • 2.2.7. Fiber Cables
    • 2.2.8. Fiber Optics Networks
    • 2.2.9. Comparison of Fiber Optics and Copper Wire
  • 2.3. Wireless Transmission
    • 2.3.1. The Electromagnetic Spectrum
    • 2.3.2. Radio Transmission
    • 2.3.3. Microwave Transmission
    • 2.3.4. Infrared and Millimeter Waves
    • 2.3.5. Lightwave Transmission
  • 2.4. The Telephone System
    • 2.4.1. Structure of the Telephone System
    • 2.4.2. The Local Loop
    • 2.4.3. Transmission Impairments
    • 2.4.4. Modems
    • 2.4.5. RS-232-C and RS-449
    • 2.4.6. Fiber in the Local Loop
    • 2.4.7. Trunks and multiplexing
    • 2.4.8. Frequency Division Multiplexing
    • 2.4.9. Time Division Multiplexing
    • 2.4.10. SONET/SDH
    • 2.4.11. Switching
    • 2.4.12. Circuit Switching
    • 2.4.13. The Switch Hierarchy
    • 2.4.14. Crossbar Switches
    • 2.4.15. Space Division Switches
    • 2.4.16. Time Division Switches
  • 2.5. NARROWBAND ISDN
    • 2.5.1. ISDN Services
    • 2.5.2. ISDN System Architecture
    • 2.5.3. The ISDN Interface
    • 2.5.4. Perspective on N-ISDN
  • 2.6. BROADBAND ISDN AND ATM
    • 2.6.1. Virtual Circuits versus Circuit Switching
    • 2.6.2. Transmission in ATM Networks
    • 2.6.3. ATM Switches
    • 2.6.4. The Konckout Switch
    • 2.6.5. The Batcher-Banyan Switch
  • 2.7. CELLULAR RADIO
    • 2.7.1. Paging Systems
    • 2.7.2. Cordless Telephones
    • 2.7.3. Analog Cellular Telephones
    • 2.7.4. Advanced Mobile Phone System
    • 2.7.5. Channels
    • 2.7.6. Call Management
    • 2.7.7. Security Issues
    • 2.7.8. Digital Cellular Telephones
    • 2.7.9. Personal Communication Services
  • 2.8. COMMUNICATION SATELLITES
    • 2.8.1. Geosynchronous Satellites
    • 2.8.2. Low-Orbit Satellites
• 3. THE NETWORK LAYER
  • 3.1. INTERNETWORKING
    • 3.1.1. How Networks Differ
    • 3.1.2. Concatenated Virtual Circuits
    • 3.1.3. Connectionless Internetworking
    • 3.1.4. Tunneling
    • 3.1.5. Internetwork routing
    • 3.1.6. Fragmentation
    • 3.1.7. Firewalls
  • 3.2. THE NETWORK LAYER IN THE INTERNET
    • 3.2.1. The IP Protocol
    • 3.2.2. IP Addresses
    • 3.2.3. Subnets
    • 3.2.4. Internet control protocols
    • 3.2.5. The Internet Control Message Protocol
    • 3.2.6. The Address Resolution Protocol
    • 3.2.7. The Interior Gateway Routing Protocol: OSPF
    • 3.2.8. The Exterior Gateway Routing Protocol: BGP
    • 3.2.9. CIDR - Classless InterDomain Routing
    • 3.2.10. User Datagram Protocol
    • 3.2.11. Identifying The Ultimate Destination
    • 3.2.12. The User Datagram Protocol
    • 3.2.13. Format of UDP Messages
    • 3.2.14. UDP Encapsulation and Protocol Layering
    • 3.2.15. Reserved and Available UDP Port Numbers
    • 3.2.16. THE INTERNET TRANSPORT PROTOCOL TCP
    • 3.2.17. The TCP Service Model
    • 3.2.18. The TCP Protocol
    • 3.2.19. The TCP Segment Header
    • 3.2.20. DNS - DOMAIN NAME SYSTEM
    • 3.2.21. The DNS Name Space
    • 3.2.22. Resource Records
    • 3.2.23. Name Servers
  • 3.3. THE NETWORK LAYER IN ATM NETWORKS
    • 3.3.1. Cell Formats
    • 3.3.2. Connection Setup
    • 3.3.3. Routing and Switching
    • 3.3.4. Service Categories
    • 3.3.5. Quality of Service
    • 3.3.6. ATM LANs