CSMA

CSMA p-persisitent, 1-persistent

• offerer load vs. throughput behavior & mechanism (Textbook pp. 2-48~2-51)
• CSMA/CD improves performance
  

Road to high speed communication

• drawbacks of CSMA/CD in long distance and high speed communications
• interference and noise
• Shannon Theory
• the need of modulation for practical communication enigineering
  
• nonlinear characteristics of modulation and reduction of nonlinear effects
  
• Optical communication
• Wavelength Division Multiplexing (WDM)