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OSI model - Coggle Diagram

- - - - Transport layer
        
        Network layer
        
        Data link layer
        
        Physical layer
        
        Devices
        
        Analog modem
        
        Hub
        
        Repeater
        
        Transmit bit over a medium
        
        Protocols
        
        Ethernet-PHY
        
        USB-PHY
        
        Hardware
        
        Bit
        
        Devices
        
        Switch
        
        Wireless Acces Point
        
        Organize bits into frames and physically address by MAC address
        
        Protocols
        
        Ethernet-MAC
        
        PPP
        
        Hardware
        
        Frame
        
        Hardware
        
        Path determination and logical addressing
        
        Move packets from source to destination
        
        Devices
        
        Multilayer Switch
        
        Router
        
        Protocols
        
        Internet Protocol ( IPv4, IPv6 )
        
        ICMP
        
        Packet
        
        Heart of OSI model
        
        Provide reliable processes for message and error delivery
        
        Devices
        
        Firewall
        
        Protocols
        
        TCP
        
        UDP
        
        Segment (TCP), Datagram (UDP)
      - Maintains connection and is responsible for controlling ports and sessions
      - Software
      - Message
      - Protocols
        
        RCP
        
        PPTP
    - - SSL
      - TLS