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Re: Ipv6 DNS and ipv4 host - Tranistion problem



On Fri, Sep 30, 2005 at 10:35:32AM +0200, Jeroen Massar wrote:
> On Thu, 2005-09-29 at 23:54 +0200, Simon Oosthoek wrote:
> 
> > I'm working on a research project where subnetting might actually be very
> > much appliccable, for example when you are using NEMO and you have several
> > mobile routers (each with its own /64 or bigger subnet), and you still want
> > to keep part of your entire prefix to be subnettable outside of the HA's
> > realm, then you may feel a little bit cramped by a /56.
> 
> Mobility is usually done per host, thus you route the /128 over a tunnel
> to somewhere else and do ND proxying. One doesn't need loads of addres
> space for this. But this depends on the design of course.

in NEMO mobility (actually, that's superfluous, NEtwork MObility is what
NEMO stands for) is done per subnet or prefix, thus enabling mobility for a
mobile network.
 
> > To be honest, having 4 /58 ranges available is still quite enough not to be
> > very worried, but I don't feel comfortable when even before IPv6 has any
> > sort of acceptance, the freedom of a wide address space is already taken
> > away....
> 
> The /56 is really intended for 'the mom and pop home', they don't do
> neato things like multihoming, they most likely don't have an idea what
> IP is in the first place, and they shouldn't have to either ;)

but in any case, mom&pop won't see IP, but they may want to have some
functionality in a box that needs this...

/Simon



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