15.3 Network Addresses
When you communicate across a computer network, you ultimately communicate with one particular computer out of all possible computers in the world. There is a fairly sophisticated mechanism for identifying specific machines to establish that communication.
A hostname is a unique identification that specifies a particular computer on the Internet. Hostnames are generally readable words separated by dots. For example:
matisse.csc.villanova.educondor.develocorp.com
We humans prefer to use hostnames when dealing with email addresses and websites because they are easy to use and remember. Behind the scenes, however, network software translates a hostname into its corresponding IP address, which is easier for a computer to ...
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