<div dir="ltr">On Tue, Oct 29, 2013 at 3:07 PM, Doug Barton <span dir="ltr"><<a href="mailto:dougb@dougbarton.us" target="_blank">dougb@dougbarton.us</a>></span> wrote:<br><div class="gmail_extra"><div class="gmail_quote">
<blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div class="im"><span style="color:rgb(34,34,34)">Probably not scarcity in 1918 world, but I think you hit the nail on the head with "arp has timeouts." :)</span></div>
</blockquote><div><br></div><div>Scarcity in the sense that the network administrator implicitly bounds the maximum number of addresses usable in a given network by using subnetting. In IPv6, the bounds are so high (2^64) that in practice they don't exist.</div>
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