DNS marks 20th birthday

[Dave Farber <dave () farber net>]

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From: GLIGOR1 () aol com
Date: Wed, 25 Jun 2003 21:17:41 EDT

    
DNS marks 20th birthday
System gets e-mail, Web surfers where they need to go
 

 
By Stephen Lawson, IDG News Service June 24, 2003  


    The database system that sends Web surfers to the right page and gets
e-mail messages where they need to go turned 20 years old on Monday.



DNS (Domain Name System) had its first successful test on June 23, 1983, at
the University of Southern California School of Engineering's Information
Sciences Institute (ISI), in Marina del Rey, Calif., said Paul Mockapetris,
the researcher who invented the system. Jon Postel, another computer
scientist at ISI, had assigned him to create a new kind of directory of the
Internet, then a fledgling network of about 200 computers.

Before DNS, the addresses of all computers on the Internet were maintained
in a central catalog of host names and addresses. Mockapetris devised a
system that let those who had computers on the Internet own a domain and
assign their own computers to it.

"Once you got your organization connected to the network, you could have as
many computers on it as you wanted, and you could name them yourself,"
Mockapetris said. 

With further refinement, it became the system of ".com," ".edu," ".gov," and
other top-level domains still used by e-mail and Web users.

Mockapetris is now chief scientist and chairman of the board at IP (Internet
Protocol) address software vendor Nominum and a visiting scholar at the
university's Jon Postel Center for Experimental Networking, named for his
former supervisor, who died in 1998.







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