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          University of California at Santa Cruz
Baskin Center for Computer Engineering and Information Sciences 

The following technical report is available electronically or as
a paper copy.  Instructions for getting either follow the abstract.

UCSC-CRL-92-34   (ONLY available electronically as ucsc-crl-92-34.ps.Z)
CENSUS:  COLLECTING HOST INFORMATION ON A WIDE-AREA NETWORK
Nitin K. Ganatra (Sr. Thesis)
June 1992, 47 pages (No paper copies available.)
Abstract:  The exponential growth of the Internet presents new
problems in recording global network information.  The Domain Name
System provided a way to cope with the enormous growth rates by
distributing network information among all domains.  This
distribution accomplished its goal of eliminating the need for
a central database, but at the same time eliminated the source
of centralized network information. Such information is useful
in applications dealing with resource discovery on the Internet
and in studies of the network topography.  Census is a program to
traverse the Internet domain tree and collect information by
recursively querying name servers for host information and other
sub-domains.  During the development of the Census program (about
6 months), the host population of the Internet has grown in size
by 30 percent, and has showed no sign of abating.

This technical report is available electronically through either 
of the following methods:
1.  through anonymous ftp from ftp.cse.ucsc.edu, in /pub/tr. Log in 
    as "anonymous", use your email address as your password, specify 
    "binary" before getting the file.  Uncompress before printing.
2.  by mail to automatic mail server rnalib@ftp.cse.ucsc.edu.
    Put this command on the subject line or in the body of the message:
	@@ send ucsc-crl-92-34.ps.Z from tr
    To get the index or abstract list:
	@@ send INDEX from tr
	@@ send ABSTRACTS.1992 from tr
    To get the list of the tr directory:
	@@ list tr
    To get the list of commands and their syntax:
	@@ help commands

Questions:  jean@cse.ucsc.edu

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