Chapter 2: Direct Links

It is a mistake to look too far ahead. Only one link in the chain of destiny can be handled at a time.

—Winston Churchill

• Problem: Connecting to a Network
• 2.1 Technology Landscape
• 2.2 Encoding
• 2.3 Framing
  • 2.3.1 Byte-Oriented Protocols (PPP)
  • 2.3.2 Bit-Oriented Protocols (HDLC)
  • 2.3.3 Clock-Based Framing (SONET)
• 2.4 Error Detection
  • 2.4.1 Internet Checksum Algorithm
  • 2.4.2 Cyclic Redundancy Check
• 2.5 Reliable Transmission
  • 2.5.1 Stop-and-Wait
  • 2.5.2 Sliding Window
  • 2.5.3 Concurrent Logical Channels
• 2.6 Multi-Access Networks
  • 2.6.1 Physical Properties
  • 2.6.2 Access Protocol
  • 2.6.3 Longevity of Ethernet
• 2.7 Wireless Networks
  • 2.7.1 Basic Issues
  • 2.7.2 Wi-Fi (802.11)
  • 2.7.3 Bluetooth (802.15.1)
• 2.8 Access Networks
  • 2.8.1 Passive Optical Network
  • 2.8.2 Cellular Network
• Perspective: Race to the Edge