Data is transferred around the Internet in
packets using the Internet Protocol (IP). The
Internet Protocol sets the standard for
communication over the Internet.
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On top of the
Internet Protocol is TCP/IP (Transmission Control
Protocol / Internet Protocol) which makes sure
that data is not lost in its long journey from
one computer to another.
Each computer that is connected to the Internet
has an IP address composed of four numbers, each between 1 and
255, e.g. 193.117.1.9 This unique address allows
information to be retrieved from and sent to a
specific computer just like a postal address
specifies a building.
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