[ih] The invention of what we now call NAT

Noel Chiappa jnc at mercury.lcs.mit.edu
Wed Apr 23 12:50:30 PDT 2025


   > From: Craig Partridge

   > I'm working from memory for the most part, so flaws may exist.

Ditto.

    > Van Jacobson is credited as the initial thinker about NAT

I have him in memory as the co-inventor, along with Paul Tsuchiya. Not
partners, mind - independent inventors.

I don't recall why Paul was working in that area (NAT is something I never
had much time for - among other things, it makes the network more brittle, by
moving state into the end routers - clearly a hack - even more so than BGP -
so the details have been GC'd from my memory) - if he's still with us, and
someone is in touch with him, they should ask him.

    > Van came up with NAT as a concept while serving on the ROAD WG

IIRC, there was a ROAD meeting on the West Coast (not as part of an IETF),
and that was were Van introduced his to us. But I had heard of Paul's before
that.

I think I still have my email from that era, squirreled away somewhere. I'm
not up to looking, though.

	Noel


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