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INTERNET - Coggle Diagram

- - - - PHYSICAL PARTS
  - - - es. server, router
- - - - each ISP has a network of PACKET SWITCHES
        
        packet switches use PROTOCOLS
        
        2 phases
        
        at the end of data trasmission: DEMOLITION
        
        exchange of packages (HANDSHAKE)
        
        are implemented to ENSURE REALIABLE DATA
        
        service can be
        
        RELIABLE
        
        trasmitted data is delivered :warning:
        
        4 more items...
        
        UNRELIABLE
        
        various errors during the trasmission
        
        it allows the network to be divided into independent segments
        
        reducing the amount of data travelling
    - - ES., CHAT, E-MAIL, NEWS