Networks

Networks

1. types of networks

   • Lan
     • local area of network that is local to you
   • Wan
     • wide area network in a wide area
       • often uses the internet to connect multiple lan networks together

2. disadvantages

   • expensive to set up
   • increased risk viruses can affect every computers on the network
   • expertise needed to maintain networks

3. Advantages

   • Being able to message people
     • Connecting to printers to save money
       • Making phone calls
         • Being able to send photos
     • Being able to go online

4. IP address

   • Can send information to just that computer
   • Internet protocol adress
   • IP address identifies a network or device on the internet
   • Internet protocol is a set of rules for communication over the internet

5. internet

   • giant mesh of computers
   • multiple different routes between any two nodes
   • impossible to break the internet since another route can always be found
   • a cost is assigned to each connection in a mesh
   • route finding algorithms are used to find the lowest cost route between two nodes
   • data is split into small chunked packets
   • each packet is sent along the way
   • the packet is re sembled