RE: Definitive Guide to IPv6 adoption

[Ben Butler <ben.butler () c2internet net>]

Hi,

Another way of looking at it would be what would the world population need to be in order to exhaust all of the space 
v6 based on /48s /56s or /64s per head / household - and is this population number ever going to happen in what time 
conceivable time frame.

Another interesting calculation would be to divide the land mass area by that population figure - let alone the habital 
area.

2 to 48 = 281,474,976,710,658 or 280K Billion separate /48s assignments.

(Current world population 6.7 Billion forecast 14 Billion in 2100)

World Landmass (Total All Areas): 148.94 million sq km

So Each Person at the point of IPv6 exhaustion will have 0.53 sq meters to stand on while using all their IPv6 devices.

I think it is safe to say that the world will be facing other more significant problems long long long before we get 
anywhere near having to worry about running out of IPv6 space because we are assigning each individual a /48.

There are surely technical benefits from a routing perspective if all the end user assignments are the same size - 
therefore should the technical considerations here not override any argument about conservation of space seeing as the 
above hopefully proves the fallacy of needing to conserve IPv6 address space????

Ben




-----Original Message-----
From: Robert E. Seastrom [mailto:rs () seastrom com] 
Sent: 19 October 2010 11:53
To: George Bonser
Cc: nanog () nanog org
Subject: Re: Definitive Guide to IPv6 adoption


"George Bonser" <gbonser () seven com> writes:

> > You are to be commended for your leadership in conserving space.  Our
> > children will surely be grateful that thanks to your efforts they have
> > 99.99999% of IPv6 space left to work with rather than the paltry
> > 99.9975% that might have been their inheritance were it not for your
> > efforts.  Bravo!
>
> I have a feeling that IP addresses will now be used in ways that people
> have not envisioned them being used before.  Given a surplus of any
> resource, people find creative ways of using it. 

Which just reinforces the argument that we ought to give people /48s
rather than /56es, /60s, or /64s even though those with a failure of
imagination may not be able to figure out a reason anyone would need
that much space.

-r



 
 
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Ben Butler
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Fax: 0333 666 3331
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