RE: [BEHAVE] Lack of need for 66nat : Long term impact to applicationdevelopers

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David Morris wrote:
> On Thu, 27 Nov 2008, Mark Andrews wrote:
> 
> >
> > 	If your OS requires a reboot when you renumber get a real OS.
> > 	If your apps require that they restart when you renumber get
> > 	your apps fixed.
> 
> I fail to understand how an app such as ssh can maintain a secure
> connection in the face of renumbering. 

That is probably because you appear to have failed to read the top half of
that post. An external ssh session will break during renumbering, no matter
what nat capability might exist, so the only thing worth discussing is an
internal one. Deploying a ULA prefix alongside whatever external one might
exist will allow the internal ssh to persist forever while the external
prefix is changed on a minute by minute basis. 

> Yet many of my ssh sessions are
> active for days or weeks quite happily and their existance represents
> my
> mid term memory about what I'm working on.

Clearly none of those are external, or there is no actual renumbering going
on.

> 
> Creating a new connection represents a restart from my perspective.
> Some
> amount of my activity is lost and if I don't directly control when the
> renumbering happens, it can be at a very in-opportune time in terms of
> my
> productivity.

No argument about the impact, but you have not demonstrated a need for 66nat
beyond wanting it so that nothing changes except the size of the address.
This will not be true on a number of fronts, so perpetuating an
architectural impediment in a futile attempt to avoid reality is not a
reasonable argument. 

Vendors will build what you say you want to buy, so don't box yourself in by
insisting on perpetuating the past without trying to move beyond it first...

Tony 



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