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Re: XKCD - Nanobots

2011-02-28 03:49:15

On Feb 28, 2011, at 11:16 AM, João Damas wrote:


On 28 Feb 2011, at 09:40, Bob Hinden wrote:

Pete,

On Feb 27, 2011, at 11:32 PM, Pete Resnick wrote:

I'm sorry, but how could this *not* be posted to the IETF list?

<http://xkcd.com/865/>

I did a rough calculation and think they would have not run out of IPv6 
addresses :-)

I assumed a nanobot was 1 x 10^-6 M^2 and the surface of the earth was 5.1 x 
10^11 M^2 (from Wikipedia).  This means it would take 5.1 x 10^17 nanobots 
to cover the earth.  The IPv6 address space is 3.4 x 10^38.  Of course, I 
assumed only one layer deep. 

is that with a /48 or a /64 per bot?

A /128, of course.  I assume nanobots have very efficient ways to use subnets.

Bob


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