Networks

Networks

1. Types

   • Peer to peer
     • No server, data shared between computers
     • All computers equal
   • Client server
     • One computer server, other clients
     • Share resources from server
   • Local area network
     • All networked computers on same site
     • DIrect links connecting computers, cables or wireless
   • Wide area network
     • Computers anywhere in the world connected
     • Connected by telephone or satellites, internet is an example

2. Topologies

   • Star
     • Reliable, if one breaks does not fail
     • Expensive
   • Bus
     • More expensive than ring
     • Cheaper than star
     • Data can flow both ways
   • Ring
     • Cheaper than star
     • If one breaks network fails

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