Collaborative computing/The structure and function in IT networks

• Network & internetwork (internet)
  
• Distributed system
  
• Client-server model vs. peer-to-peer model
  
• Bandwidth & latency
  
• Broadcast vs. point-to-point links
  
• Host, router & subnet
  
• Ethernet
  
• Wifi
  
• Vitual private network (VPN)
  
• Protocol & protocol stack
  
• Network architecture
  
• Connection-oriented vs. connectionless service
  
• Reliable/unreliable service