multiple prefixes

[Lorenzo Colitti]

On Tue, Feb 12, 2013 at 5:18 PM, Doug Barton <dougb at dougbarton.us> wrote:

>
>> Higher operational cost caused by more complex, stateful operation of
>> the network. Lower reliability due to NAT leading to loss of said state
>> and interrupted sessions. Higher capex caused by boxes having to do more
>> complex stuff (NAT vs. route). Higher cost and a higher barrier to entry
>> for application developers as they each have to re-learn NAT traversal
>> (and no, NAT traversal is *not* the same as traversing a stateful
>> firewall - that's easier). Lower quality of service when said
>> applications perform worse. Believe it or not, Skype on my phone works
>> better on the a one-NAT 3G network than on a double-natted 1Gbps fiber
>> connection.
>>
>
> What you described were all costs of NAT, no argument.
>
> Now can you please describe how those things are relevant to NPTv6?
>

Take out the costs that are due to stateful inspection (and remember,
translation is more expensive than forwarding) and leave the rest.
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