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<TITLE>Re: [AusNOG] /20 Available</TITLE>
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<FONT FACE="Calibri, Verdana, Helvetica, Arial"><SPAN STYLE='font-size:11pt'>Yep whatever number IP 6 will support (slice it dice it) it will at some point run out of spaces, Murphy’s Law.<BR>
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MAJOR lesson to enable up take to IP 7, 8 whatever comes in the future is backwards compatibility. IP 6 wanted to expand “IP 4” and “fix some issues” so now we have IP4 that won’t talk with IP 6, so the gods in there push for the holy grail forget the current users. And people wonder why companies/people won’t buy new equipment. The Y2000k bug is in the non tech persons mind. They think because the world didn’t end that it’s all an beat up IT people trying to get a bigger budget :-( <BR>
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What they don’t understand is a lot of work was done to ensure 2000 didn’t implode the world. And yes on midnight 2000 some services failed – lifts, cars, building doors, prison security. <BR>
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Will the over lords make the same mistakes probably but at least people should flag them.<BR>
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On 22/01/13 6:34 PM, "Lloyd Wood" <<a href="lloyd.wood@yahoo.co.uk">lloyd.wood@yahoo.co.uk</a>> wrote:<BR>
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</SPAN></FONT><BLOCKQUOTE><BLOCKQUOTE><FONT FACE="Calibri, Verdana, Helvetica, Arial"><FONT SIZE="2"><SPAN STYLE='font-size:10pt'>IPv6 addresses are assigned to organizations in much larger blocks as compared to IPv4 address assignments—the recommended allocation is a</SPAN></FONT><SPAN STYLE='font-size:11pt'> </SPAN><FONT SIZE="2"><SPAN STYLE='font-size:10pt'>/48</SPAN></FONT><SPAN STYLE='font-size:11pt'> </SPAN><FONT SIZE="2"><SPAN STYLE='font-size:10pt'>block which contains 280addresses, being 248</SPAN></FONT><SPAN STYLE='font-size:11pt'> </SPAN><FONT SIZE="2"><SPAN STYLE='font-size:10pt'>or about</SPAN></FONT><SPAN STYLE='font-size:11pt'> </SPAN><FONT SIZE="2"><SPAN STYLE='font-size:10pt'>2.8×1014</SPAN></FONT><SPAN STYLE='font-size:11pt'> </SPAN><FONT SIZE="2"><SPAN STYLE='font-size:10pt'>times larger than the entire IPv4 address space of 232</SPAN></FONT><SPAN STYLE='font-size:11pt'> </SPAN><FONT SIZE="2"><SPAN STYLE='font-size:10pt'>addresses and about</SPAN></FONT><SPAN STYLE='font-size:11pt'> </SPAN><FONT SIZE="2"><SPAN STYLE='font-size:10pt'>7.2×1016</SPAN></FONT><SPAN STYLE='font-size:11pt'> </SPAN><FONT SIZE="2"><SPAN STYLE='font-size:10pt'>times larger than the</SPAN></FONT><SPAN STYLE='font-size:11pt'> </SPAN><FONT SIZE="2"><SPAN STYLE='font-size:10pt'>/8</SPAN></FONT><SPAN STYLE='font-size:11pt'> </SPAN><FONT SIZE="2"><SPAN STYLE='font-size:10pt'>blocks of IPv4 addresses, which are the largest allocations of IPv4 addresses. The total pool, however, is sufficient for the foreseeable future, because there are 2128</SPAN></FONT><SPAN STYLE='font-size:11pt'> </SPAN><FONT SIZE="2"><SPAN STYLE='font-size:10pt'>or about</SPAN></FONT><SPAN STYLE='font-size:11pt'> </SPAN><FONT SIZE="2"><SPAN STYLE='font-size:10pt'>3.4×1038</SPAN></FONT><SPAN STYLE='font-size:11pt'> </SPAN><FONT SIZE="2"><SPAN STYLE='font-size:10pt'>(340</SPAN></FONT><SPAN STYLE='font-size:11pt'> </SPAN><FONT COLOR="#0B0080"><FONT SIZE="2"><SPAN STYLE='font-size:10pt'>trillion</SPAN></FONT></FONT><FONT SIZE="2"><SPAN STYLE='font-size:10pt'> <<a href="http://en.wikipedia.org/wiki/10%5E12">http://en.wikipedia.org/wiki/10%5E12</a>> </SPAN></FONT><SPAN STYLE='font-size:11pt'> </SPAN><FONT SIZE="2"><SPAN STYLE='font-size:10pt'>trillion trillion) unique IPv6 addresses.<BR>
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I'm pretty sure they were saying something similar when they were first handing out Class A's.<BR>
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