Re: Last Call: <draft-weil-shared-transition-space-request-14.txt> (IANA Reserved IPv4 Prefix for Shared Address Space) to BCP

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On 2/14/12 2:35 PM, Randy Bush wrote:

what silliness.  it will be used as rfc 1918 space no matter what the document
says.
[...]
any thought that this is not just adding to rfc 1918 is pure bs.

Of course it will be used as 1918 space. That's not the point of the text.

The text is saying, "You could read 1918 to say that we somehow promised that you would never be connected to a network run by someone other than yourself and see 1918 addresses on it. That's not an entirely intelligent reading, but we see how you can read it that way. So, if you built yourself a device where it isn't able to deal with 1918 addresses on its 'outside' interface that you were using on the 'inside' interfaces, we could see how that might happen. It was not at all smart of you to build your device that way, but you probably were technically within spec. Now we're adding some address space to the pool. It's not global and it's not routable, just the same as 1918 space. But we're letting you know right now: You *will* see these addresses on networks that you don't run. If you want to use this space the way that you used 1918 space, peachy, but understand that if you're unable to deal with these addresses duplicating ones you're using, your device is toast. Deal with it."

Any thought that the text is saying something more than this is nonsense.

pr

--
Pete Resnick<http://www.qualcomm.com/~presnick/>
Qualcomm Incorporated - Direct phone: (858)651-4478, Fax: (858)651-1102

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