<font face="verdana,sans-serif">This statement is slightly wrong:</font><div><font face="verdana,sans-serif"><br></font></div><div><font face="verdana,sans-serif">"</font><font face="verdana, sans-serif">The creation of domain names is just a way of </font><span style="font-family:verdana,sans-serif">making sure that there are no collisions in the names. </span><font face="verdana, sans-serif"></font><span style="font-family:verdana,sans-serif">With domain names, the "server" in your network can be </span><font face="verdana, sans-serif"></font><span style="font-family:verdana,sans-serif">differentiated from "server" in my network. This allows </span><font face="verdana, sans-serif"></font><span style="font-family:verdana,sans-serif">the different domains to name their machines independently </span><font face="verdana, sans-serif"></font><span style="font-family:verdana,sans-serif">of other domains. </span><span style="font-family:verdana,sans-serif">The Internet will work even without DNS. </span><span style="font-family:verdana,sans-serif">As long as we can remember the IP address of our </span><font face="verdana, sans-serif"></font><span style="font-family:verdana,sans-serif">favorite sites and they don't change their IP addresses, </span><font face="verdana, sans-serif"></font><span style="font-family:verdana,sans-serif">and ... I don't think there'd be much of a </span><span style="font-family:verdana,sans-serif">problem."</span></div>
<div><font face="verdana, sans-serif"><br></font></div><div><font face="verdana, sans-serif">Two or more domain names can share the same IP address and not every domain/site has a unique IP address. As for the Internet working without the DNS, it is true when you refer to IPv6, not IPv4.</font></div>
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<br><br><div class="gmail_quote">On Wed, Aug 22, 2012 at 11:24 AM, Horacio T. Cadiz <span dir="ltr"><<a href="mailto:hcadiz@ph.net" target="_blank">hcadiz@ph.net</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div class="im">On 08/21/2012 10:38 PM, Carl Smith wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
The DNS problem and reason for confusion is due to limitations imposed during<br>
the infancy of development stages of machine inter-connectivity. Basically, IP<br>
is insufficient to grant each machine a unique identity. The limited IP<br>
addresses are licensed to master networks which in turn are sub-netted to<br>
machines which only have a local identity slaved to the master.<br>
</blockquote>
<br></div>
This is not entirely accurate. The DNS issue is separate<br>
from the IP address issue.<br>
<br>
There were (when the DARPA net started)<br>
enough IP addresses to grant each machine a unique IP<br>
address. The IP address depletion only started in the<br>
early 90s during the Internet boom. The CIDR, network<br>
address translation (NAT), and other techniques were<br>
then used to forestall the problem of address depletion.<br>
Now, with IPV6, there are more than enough IP addresses<br>
to assign to anything you can think of (I exaggerate of<br>
course, slightly).<br>
<br>
The DNS was not in response to the limited number of<br>
IP addresses. The DNS is a mechanism for giving names to<br>
IP addresses because, unless you are at MIT, we prefer to<br>
refer to things by names (often implying a function or<br>
a characteristic) rather than numbers. It is easier to<br>
say "download the file from 'server'" than "download the<br>
file from 165.220.3.1." We remember names better than numbers,<br>
specially long arbitrary string of numbers. Of course,<br>
there are other benefits like giving the same name<br>
to set of different IP addresses to create a simple<br>
redundancy of services from the set of machines.<br>
<br>
The creation of domain names is just a way of<br>
making sure that there are no collisions in the names.<br>
With domain names, the "server" in your network can be<br>
differentiated from "server" in my network. This allows<br>
the different domains to name their machines independently<br>
of other domains.<br>
<br>
The Internet will work even without DNS.<br>
<br>
As long as we can remember the IP address of our<br>
favorite sites and they don't change their IP addresses,<br>
and ... I don't think there'd be much of a<br>
problem. B-)<span class="HOEnZb"><font color="#888888"><br>
<br>
<br>
-- <br>
Bombim Cadiz<br>
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</font></span></blockquote></div><br></div>