Hi,
In one of the working group meetings this past week, when the group was
discussing a NAT traversal solution for their new protocol, an A-D suggested
they not spend much time on NAT traversal. He/she indicated the IESG was
discouraging NAT traversal mechanisms for new protocols, in order to foster
demand for IPv6 instead. The A-D further noted that "we really want it to run
over IPv6 more than we want it to run over IPv4". After being asked for
clarification he/she said that "if you build something that will encourage
people to stay on IPv4 longer, when you send it into the IESG you will get
pushback".
I am not going to name the WG nor A-D, because I'd rather encourage A-D's to
speak their mind, and it doesn't matter who it was. Also, anyone can make a
mistake or be mis-interpreted, and perhaps that's all this was. (We don't read
written prepared statements at the mic, after all :)
What I'd like to know is the IESG's position with respect to protocols trying
to make themselves work around NATs in IPv4. I'd like to know if the IESG will
push back on new protocols if they attempt to work around NATs.
I would also like to understand the IESG's position with respect to IPv6 and
whether protocols should not attempt to make themselves work around potential
IPv6 NATs; and more importantly to handle the possibility that the
firewall-type policies which NATs have by nature, may continue to be used in
IPv6 on purpose even if addresses/ports don't get mapped.
I appreciate the workload you are always under, but I think it's important for
us outside the IESG to know. If this is not the right medium/process for
asking such questions, my apologies... and please let me know the right way. :)
Thanks,
-hadriel
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