On 1 Feb 2018, at 16:48, Geoff Huston wrote:
I’ve reviewed the (lengthening) thread on this draft, but while I
saw posted objections to the use of “xm—" as the initial part of
the left-most label here, I did not see any concrete alternate
proposals. So on the assumption that I must’ve missed these, could
you please resend/remind me of such proposals so that we can use one
that we are happy with, and I’ll update the draft accordingly.
The two that were discussed were:
1) No update needed: _is-ta-<tag-index> and _not-ta-<tag-index> are
fine. The problem that Warren reported of BIND not allowing the
underscore is easily fixed in BIND's configuration.
2) Some prefix other than <letter><letter><hyphen><hyphen> because of
RFC 5891.
My preference is #1 because, in general, a label starting with _ has
been meant for infrastructure, and that's what these labels are. Others
might like #2 so they don't have to add configuration to BIND (and maybe
other authoritative servers).
--Paul Hoffman
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