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Re: Backwards compatibility myth [Re: Last Call: <draft-weil-shared-transition-space-request-14.txt>]

On 2/13/2012 4:38 PM, Brian E Carpenter wrote:
There were very specific reasons why this was not done.

Is there a useful citation that covers this strategic decision?

Given that that decision was an essential part of what caused a roughly 15 year delay, it would be helpful to have it documented.

And it doesn't
change the fact that an old-IP-only host cannot talk to a new-IP-only host
without a translator. It is that fact that causes our difficulties today.

The translator needed today is a complete gateway between two entirely incompatible protocols. The one that I'm describing would have been a trivial re-formatter.

The development, deployment and interoperability differences between these is massive.


  Dave Crocker
  Brandenburg InternetWorking
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