[156506] in North American Network Operators' Group
Re: IPv6 Ignorance
daemon@ATHENA.MIT.EDU (Owen DeLong)
Wed Sep 19 01:17:39 2012
From: Owen DeLong <owen@delong.com>
In-Reply-To: <5058A36F.1090102@thebaughers.com>
Date: Tue, 18 Sep 2012 22:15:33 -0700
To: Jason Baugher <jason@thebaughers.com>
Cc: nanog@nanog.org
Errors-To: nanog-bounces+nanog.discuss=bloom-picayune.mit.edu@nanog.org
On Sep 18, 2012, at 09:38 , Jason Baugher <jason@thebaughers.com> wrote:
> On 9/18/2012 11:01 AM, Beeman, Davis wrote:
>> Orbits may not be important to this calculation, but just doing some =
quick head math, I believe large skyscrapers could already have close to =
this concentration of addresses, if you reduce them down to flat earth =
surface area. The point here is that breaking out the math based on the =
surface area of the earth is silly, as we do not utilize the surface of =
the earth in a flat manner...
>>=20
>> Davis Beeman
>>=20
>>=20
>>> On Mon, Sep 17, 2012 at 11:27:04AM -0700, Owen DeLong wrote:
>>>=20
>>>> What technology are you planning to deploy that will consume more =
than 2 addresses per square cm?
>>> Easy. Think volume (as in: orbit), and think um^3 for a functional
>>> computers ;)
>> I meant real-world application.
>>=20
>> Orbits are limited due to the required combination of speed and =
altitude. There are a limited number of achievable altitudes and =
collision avoidance also creates interesting problems in time-slotting =
for orbits which are not geostationary.
>>=20
>> Geostationary orbits are currently limited to one object per degree =
of earth surface, and even at 4x that, you could give every satellite a =
/48 and still not burn through a /32.
>>=20
>> Owen
>>=20
>>=20
>>=20
> What about network-based objects outside of our orbit? If we're =
talking about IPv6 in the long-term, I think we have to assume we'll =
have networked devices on the moon or at other locations in space.
>=20
> Jason
The IP protocol is not well suited to space travel. As such, I think =
there would be a non-address based scaling limit in IPv6 for that =
application and a new protocol would be needed.
Owen
