On Mar 22, 2006, at 1:10 PM, Arvel Hathcock wrote:
> You (Mike) clearly see this as more of a problem than I do. The
> compatibility I want to be careful to maintain is this:
> 1. Continue to be able to use existing DNS records.
Yes. That is my position also. The most important thing to
protect are the existing thousands of DK selectors currently in use.
Extending the q=dns to q=dns,dns-b could be a method to indicate the
presents of a binary version of the key RR is available without
immediately depreciating use of TXT keys, for example. Both the
change of the hash function and the sequence of the hash function
allows upward changes, while still being able to handling messages
from prior versions. In the case of DNS RR, there could be
additional information only available in the binary version.
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