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Internets

An internetwork or, more commonly, internet (with a lowercase i), connects different computer networks, allowing hosts on all of the networks to communicate with one another. In other words, an internet is a network of computer networks. The term subnetwork, or subnet, is used to refer to one of the networks composing an internet. An internet aims to hide the details of different physical networks in order to present a unified network architecture to all hosts on the connected networks. This means, for example, that a single address format is used to identify all hosts in the internet.


  

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