>>>>> "Erik" == Erik Kline <[email protected]> writes:
    Erik> Mark,

    Erik> For the record, the walled garden citation I quoted was from:

    Erik>     http://tools.ietf.org/html/rfc3002#section-4.2

yes, I found it during the meeting.
I think you are taking it out of context of:
  - the time before 2000 
  - when "wireless carriers" were not running IP at all, but providing
    access to email/etc. via application layer gateways!!!!

and it was a summary of an IAB workshop, not an IAB recommendation.

I much prefer to engineer for walled gardens using globally unique
addresses GUA (not globally reachable) ("GUAnGR"?), than for NAT66.

I also want to point out that the experience with IPv4 "walled gardens"
usually involves either operators squatting on "unallocated" address
spaces, or enterprises running non-unique RFC1918 networks with
VPNs/Remote-Access.    None of these things are going away.

The example of "Joe's web cam", and whether we should use:
    - ULA/GUA in DNS with views (what about caches and DNSSEC?)
or  - ULA+GUA in DNS (multiple AAAA) plus Happy Eyeballs

is pertinent.  Because the ULA is a walled garden.  And if it's really
"Joes' office webcam via VPN", then the Enterprise is a walled garden.

-- 
]       He who is tired of Weird Al is tired of life!           |  firewalls  [
]   Michael Richardson, Sandelman Software Works, Ottawa, ON    |net architect[
] [email protected] http://www.sandelman.ottawa.on.ca/ |device driver[
   Kyoto Plus: watch the video <http://www.youtube.com/watch?v=kzx1ycLXQSE>
                       then sign the petition. 




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