Network Technology

• The Internet is composed of many interconnected networks and/or subnets.
   
  
• Networks are interconnected by routers.

• Usually employ some form of shared medium -- the networked systems all "see" one another's transmissions.
   
  
• Data rates are high, 10Mbps or greater, commonly 100Mbps.
   
  
• Privately owned; no involvement of public telcommunications providers, usually limited geographical area.