How the internet works

Let’s give it a shot.

Whoa. That got complicated quickly.

Application

  • Protocol: HTTP
  • Data Unit: Message
  • Address: URL

Transport

  • Protocol: TCP/UDP
  • Data Unit: Segment/Datagram
  • Address: Port/Socket

Internet

  • Protocol: IP
  • Data Unit: Packet
  • Address: IP Address

Link

  • Protocol: Ethernet
  • Data Unit: Frame
  • Address: MAC Address

--

--

--

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