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- For convenience a domain name
is normally assigned to each machine (for people remember
names is easier than numbers)
- The name is assigned meaning
with the most general part on the right (opposite to IP
addresses):
machine.subdomain.organization.country
or in our case, for ex.:
rl21.ictp.trieste.it
- This allow the IP number to be
changed while the user using the name sees no
change
- To convert names into numbers
you need the Domain Name System (DNS), a hierarchical
domain-based naming scheme with a distributed database
system.
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