Re: can we please postpone the ipv6 post-mortem?

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+1 

Bob


On Oct 8, 2010, at 12:36 PM, Brian E Carpenter wrote:

> Another +1 from me.
> 
> And with respect to the alleged mistake made 15 years ago, two facts
> may help:
> 
> 1. The transition model was complete - because it was based on vendors
> and ISPs supporting dual stack globally well *before* IPv4 exhaustion.
> It's because that didn't happen that we have a bit of a panic now.
> It didn't happen because short term economic incentives triumphed
> over enlightened self interest. Fine, lesson learned, let's
> move on, which the ISPs are now doing.
> 
> 2. There is, mathematically and logically, no 'backwards compatible'
> IP with bigger addresses than IPv4. That's because IPv4 doesn't
> contain any provision for extensible addresses.  So please let's
> not hear complaints that IPvN isn't backwards compatible; it never
> could have been and never will be, and that is the fault of
> the IPv4 design. So the issue of interworking between legacy
> IPv4-only systems and the world of bigger addresses is an
> unavoidable fact of the physical universe. Which is why BEHAVE
> is currently doing NAT64.
> 
> Regards
>   Brian Carpenter
> 
> On 2010-10-09 06:02, james woodyatt wrote:
>> everyone--
>> 
>> IPv6 may have been born with a developmental disability, but we're not dealing with a corpse yet.  The patient is still alive, getting better, and with a bit of love and proper care, might yet grow up to make better and brighter music than IPv4.
>> 
>> Maybe I'm being overly sentimental and using anthropomorphism inappropriately here, but really folks-- isn't it a bit unseemly to be arguing over how we went so "wrong" with IPv6-- and how we could do ever so much better the *next* time we get to reinvent the Internet if we avoid all the killing mistakes we made in bringing IPv6 up-- while there are, today, more people than ever before taking what are perceived to be enormous risks actually making the v4->v6 transition start to happen?
>> 
>> 
>> --
>> james woodyatt <jhw@xxxxxxxxx>
>> member of technical staff, communications engineering
>> 
>> 
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