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Old 11-29-2014
Lightbulb Tld.subdomain.name.subname
Way back in the early dawn of the 'net, there were two competing notations for specifying a FQDN, the familiar name.subdomain.domain.tld (such as news.bbc.co.uk) and the reversed tld.domain.subdomain.name (uk.co.bbc.news). And if memory serves, only the UK used the latter style of FQDN for a period of time. Nowadays, the reversed FQDN is used by JAVA and ANDROID for classes.

Does anyone have an reference material that explains why the standard notation was chosen? One would think it would have been easier to parse a FQDN of the form tld.domain.subdomain.name; but then it may have been easier to discuss appending domains when resolving names.

And as a totally hypothetical exercise, if you had complete control - how would you redesign FQDNs?
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LEARN ABOUT DEBIAN

net::epp::frame::command::check::domain

Net::EPP::Frame::Command::Check::Domain(3pm)		User Contributed Perl Documentation	      Net::EPP::Frame::Command::Check::Domain(3pm)

NAME

       Net::EPP::Frame::Command::Check::Domain - an instance of Net::EPP::Frame::Command::Check for domain names.

SYNOPSIS

	       use Net::EPP::Frame::Command::Check::Domain;
	       use strict;

	       my $check = Net::EPP::Frame::Command::Check::Domain->new;
	       $check->addDomain('example-1.tld');
	       $check->addDomain('example-2.tld');
	       $check->addDomain('example-2.tld');

	       print $check->toString(1);

       This results in an XML document like this:

	       <?xml version="1.0" encoding="UTF-8"?>
	       <epp xmlns="urn:ietf:params:xml:ns:epp-1.0"
		 xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
		 xsi:schemaLocation="urn:ietf:params:xml:ns:epp-1.0
		 epp-1.0.xsd">
		   <command>
		     <check>
		       <domain:check
			 xmlns:domain="urn:ietf:params:xml:ns:domain-1.0"
			 xsi:schemaLocation="urn:ietf:params:xml:ns:domain-1.0
			 domain-1.0.xsd">
			   <domain:name>example-1.tldE<lt>/domain:name>
			   <domain:name>example-2.tldE<lt>/domain:name>
			   <domain:name>example-3.tldE<lt>/domain:name>
		       </domain:check>
		     </check>
		     <clTRID>0cf1b8f7e14547d26f03b7641660c641d9e79f45</clTRIDE<gt>
		   </command>
	       </epp>

OBJECT HIERARCHY

	   L<XML::LibXML::Node>
	   +----L<XML::LibXML::Document>
	       +----L<Net::EPP::Frame>
		   +----L<Net::EPP::Frame::Command>
		       +----L<Net::EPP::Frame::Command::Check>
			   +----L<Net::EPP::Frame::Command::Check::Domain>

METHODS

	       $frame->addDomain($domain_name);

       This adds a domain name to the list of domains to be checked.

AUTHOR

       CentralNic Ltd (http://www.centralnic.com/).

COPYRIGHT

       This module is (c) 2012 CentralNic Ltd. This module is free software; you can redistribute it and/or modify it under the same terms as Perl
       itself.

SEE ALSO

       o   Net::EPP::Frame

perl v5.14.2							    2012-04-23			      Net::EPP::Frame::Command::Check::Domain(3pm)