> -----Original Message-----
> From: Jim Reid [mailto:j...@rfc1035.com]
>
> What value has each IPv6 address? Or a name like
> host-2001-67c-1232-144-21f-5bff-fec3-ab9d.example.com? Please
> enlighten me.
>
Hi Jim,
I guess beauty (or value) is in the eye of the beholder :)
Although in practice the name would likely be shorter and potentially
include other customer attributes,
say acmewabbit-21f-5bff-fec3-ab9d.example.com
1. This shows the owner is example.com, customer acmewabbit
2. Reverse lookups are helpful for tools (e.g. traceroute)
and logs.
3. Fulfills customer demand
(not sure all their use cases but this topic shows up
often enough to be important to them.)
>
> If you have a need to generate PTRs on the fly for IPv6 addresses
> in your network, fine. However that doesn't seem to be a
> compelling reason to modify the DNS protocol and change every
> DNS server on the planet.
>
Forget for a moment about IPv6. This draft makes $GENERATE more
memory efficient, scales bigger, stays intact through AXFR's
and yes -it makes some nameservers (authoritative) work a bit more
as a trade-off.
The fact that IPv6 is a drastically bigger namespace and would
benefit more is simply a bonus, this is just a next-gen $GENERATE.
Thanks,
John
>
> The cost/benefit optics of this draft are unclear.
>
>
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