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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Due to the severe rationing of the allocations from the last /8,
I’d hope that IPv4 will never completely run out. The idea is that
there should always be small chunks available for organisations to get started
and then migrate to IPv6. By the time all of the small chunks are handed
out, there will be large numbers of IPv4 blocks being handed back as surplus to
requirements. By this time, the demand for IPv4 should be mostly gone.
Hopefully....<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>The real impact of the exhaustion of the regular /8s is that it
will impact the large expanding users (mainly ISPs) who won’t be able to
get as much as they would like. Therefore they will have to conserve
addresses using carrier grade NAT or IPv6 only connections. Although the
latter is preferable, until a significant proportion of the Internet is
available via v6, CGN may be the only practical option.<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Regards<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>johng<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.5pt;font-family:Consolas;
color:#1F497D'>--<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:Consolas;
color:#1F497D'>John Gibbins<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:Consolas;
color:#1F497D'>IT Security Operations (and IPv6 Evangelist)<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:Consolas;
color:#1F497D'>CSIRO Information Management & Technology (IM&T)<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:Consolas;
color:#1F497D'>Phone: +61 2 6124 1419 | Fax: +61 2 6124 1414 | Mob: 0419
605 562<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:Consolas;
color:#1F497D'><a href="mailto:John.Gibbins@csiro.au"><span style='color:blue'>John.Gibbins@csiro.au</span></a>
| <a href="http://www.csiro.au"><span style='color:blue'>www.csiro.au</span></a>
<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:Consolas;
color:#1F497D'>PO BOX 225, Dickson ACT 2602<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:10.0pt;font-family:Consolas;
color:#1F497D'>Do not let what you cannot do interfere with what you can do -
John Wooden<o:p></o:p></span></p>
<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p> </o:p></span></p>
<div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'>
<p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:
"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;
font-family:"Tahoma","sans-serif"'> ausnog-bounces@lists.ausnog.net
[mailto:ausnog-bounces@lists.ausnog.net] <b>On Behalf Of </b>Matt Shadbolt<br>
<b>Sent:</b> Friday, 4 February 2011 12:11 PM<br>
<b>To:</b> Matthew Moyle-Croft<br>
<b>Cc:</b> ausnog@ausnog.net<br>
<b>Subject:</b> Re: [AusNOG] Final /8 allocated to APNIC from IANA (103/8)<o:p></o:p></span></p>
</div>
<p class=MsoNormal><o:p> </o:p></p>
<p class=MsoNormal style='margin-bottom:12.0pt'>Whats the actual rate of
allocation other than the /8s?<br>
<br>
ie, how long untill all the IPs in these five /8's are gone? Google-foo isn't
giving me anything<br>
<br>
Matt<o:p></o:p></p>
<div>
<p class=MsoNormal>On Fri, Feb 4, 2011 at 11:45 AM, Matthew Moyle-Croft <<a
href="mailto:mmc@internode.com.au">mmc@internode.com.au</a>> wrote:<o:p></o:p></p>
<div>
<div>
<p class=MsoNormal><o:p> </o:p></p>
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<div>
<p class=MsoNormal>On 04/02/2011, at 10:38 AM, Damien Morris wrote:<o:p></o:p></p>
</div>
<p class=MsoNormal><br>
<br>
<o:p></o:p></p>
<div>
<p class=MsoNormal>On 4/02/11 11:02 AM, "Luke Iggleden" <<a
href="mailto:luke@sisgroup.com.au" target="_blank">luke@sisgroup.com.au</a>>
wrote:<br>
<br>
<br>
<o:p></o:p></p>
<p class=MsoNormal>Plenty of v6 space though guys..<o:p></o:p></p>
<blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'>
<p class=MsoNormal><o:p> </o:p></p>
</blockquote>
<blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'>
<p class=MsoNormal>340 undecillion, 282 decillion, 366 nonillion, 920
octillion, 938<o:p></o:p></p>
</blockquote>
<blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'>
<p class=MsoNormal>septillion, 463 sextillion, 463 quintillion, 374
quadrillion, 607<o:p></o:p></p>
</blockquote>
<blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'>
<p class=MsoNormal>trillion, 431 billion, 768 million, 211 thousand and 456<o:p></o:p></p>
</blockquote>
<blockquote style='margin-top:5.0pt;margin-bottom:5.0pt'>
<p class=MsoNormal><o:p> </o:p></p>
</blockquote>
<p class=MsoNormal><br>
How many useable<o:p></o:p></p>
</div>
</div>
<p class=MsoNormal><o:p> </o:p></p>
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<p class=MsoNormal>Well, how many allocatable really. <o:p></o:p></p>
</div>
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<p class=MsoNormal><o:p> </o:p></p>
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<div>
<p class=MsoNormal>Once you start going /64 for each LAN segment, /48 for each
end site, the first 4 nibbles for IANA, minimum allocation for an ISP like org
is a /32, then you've carved it up quite a lot already. Then you've got
IETF "reserving space" (oh no, not Class E again) (<a
href="http://www.iana.org/assignments/ipv6-address-space/ipv6-address-space.xml"
target="_blank">http://www.iana.org/assignments/ipv6-address-space/ipv6-address-space.xml</a>).<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><o:p> </o:p></p>
</div>
<div>
<p class=MsoNormal>In the name of keeping the IPv6 routing table small, a lot
of large organisation are getting big chunks of space. This seems fine
now (Class A seemed fine at one point), but maybe it's not so good long term.<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><o:p> </o:p></p>
</div>
<div>
<p class=MsoNormal>US Mil has a /13. /20 and similar allocations (eg.
Softbank BB in Japan) aren't uncommon. A lot of places with /32s are
going to find that, heck, it's quite hard to keep within a /32.<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><o:p> </o:p></p>
</div>
<div>
<p class=MsoNormal>There's a proposal on sig-policy in APNIC to increase the
allocations to ISPs. (Which I support as we've found a /32 doesn't work
so well for us at the 250-300k customer kind of size).<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><o:p> </o:p></p>
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<div>
<p class=MsoNormal>I'm not saying we need to be obsessive as we've become with IPv4,
however, we do need be mindful of the IPv4 experience that whilst it seems big
and plentiful today, that maybe we could be a bit more careful now and let our
children's children not have to go through this again. <o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><o:p> </o:p></p>
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<div>
<p class=MsoNormal>Some of the decisions are too late to turn around, but
reducing the default end site size to /56 from /48 would give 8 bits back to
being with.<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><o:p> </o:p></p>
</div>
<div>
<p class=MsoNormal>(Waits for the howling that comes from saying heretical
things, whilst whistling "history never repeats, I tell myself before I
goto sleep").<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><o:p> </o:p></p>
</div>
<div>
<p class=MsoNormal>MMC<o:p></o:p></p>
</div>
<div>
<p class=MsoNormal><o:p> </o:p></p>
</div>
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<p class=MsoNormal style='margin-bottom:12.0pt'><br>
_______________________________________________<br>
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<p class=MsoNormal style='margin-bottom:12.0pt'><br>
<br clear=all>
<br>
-- <br>
<b><a href="http://mattlog.net" target="_blank">mattlog.net</a></b><o:p></o:p></p>
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