networks

networks

1. Advantages

   • easy and accessible
     • files are on every computer so if one dies you can use another
   • you can do multiple things at once
   • it is avadable on every divice
   • you can play minecraft multiplayer

2. Disadvantages

   • expensive
   • if one wire snaps none will work
   • if one is hacked all of them are hacked

3. Types of networks

   • WAN
     • Wide Area Network
   • LAN
     • Local Area Network
   • Topologies
     • ring
       • computers are connected in a ring shape and connection goes in one direction.
         • advantages
           • cheap
           • no collisions
         • diadvantages
           • high chance of faliure
           • difficult to expand
     • bus
       • it consists of a single cable that runs across the network
         • disadvantages
           • collision guaranteed
           • high chance of faliure
         • advantages
           • cheap
           • works for a bit
     • star
       • advantages
         • low chance of faliure
         • no collisions
       • disadvantages
         • expensive
         • depends on one switch
   • internet
     • mesh topology.
     • routes algorthim in the cheapest and quickest ways to spread images and files.
     • split up into chunks and reassemble them.
     • each node is connected to 2 or more routes can't break.