 Domain Names
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History of domain names
It all began back in the early 1960s, the "U.S. Department of Defense Advanced Research Projects Agency" (ARPA, and
later DARPA) The DARPA began funding an experimental wide area computer network called the ARPAnet.
The ARPAnet used a centrally administered file called HOSTS.TXT which held all
name-to-address mapping for each host computer connected to the ARPAnet. Since there were
only a handful of host computers at the start, HOSTS.TXT worked well.
When the ARPAnet moved to the Transmission Control Protocol/Internet Protocol (TCP/IP) suite
of protocols and become known as the Internet, the population of the network exploded.
HOSTS.TXT became plagued with problems.
The DARPA realized a replacement for the HOSTS.TXT file was needed. The mission was to create a system that solved
the problems inherent in a unified host table system. The new system should allow local
administration of data and also make that data globally available.
In 1984, the architecture of a new system called Domain Name System (DNS) was designed and
is the basis of the DNS service used today on the Internet.
Before DNS you had to enter a numeric address
to access the computer (i.e 123.456.1.2) With DNS in place the old number address was replaced with the
domain name
(i.e the HOSTS.TXT internet access- 123.456.1.2
DNS internet access- www.whatever.com)
and the internet became what we know it today.
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