What is the Internet Protocol (IP)?

Map Of Internet 1973


The IP protocol is a Network layer protocol (level 3 of OSI) that:

  • gets data and transports them in one or more ip packet.
  • is used by protocols like UDP and TCP (known also as TCP/IP).


TCP/IP sends a TCP packet known as segment:

Internet protocol suite (TCP/UDP)

The internet protocol suite (TCP and UDP) uses it as the transport layer.


A host can have several IP addresses and IP names, but it can only have one host name


The Internet Control Message Protocol (ICMP) are message used to exchange information (error) in the Internet Protocol (IP). 1)

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