Just to make sure we're talking about the same thing, the definition of
sibling glue is glue from another zone delegated from the same parent.
That's not what the example in 4.1 of the draft shows. It has foo.test
depending on ns1.bar.test, so the server adds the A record for
ns1.bar.test.
It does actually.
Oh, sorry, I misread your message.
"ns1.bar.test/A" is glue for "bar.test" (and sibling glue for "foo.test" in that
example). It is returned by the servers for "test" in a referral for "foo.test".
Open to suggestions for more clarifying language.
Unless I'm misunderstanding something, in the absence of sibling glue, the
resolver would make a second request for ns1.bar.test, same as if it were
ns1.bar.otherdomain, and it would get back a referral with the glue. It
is just a performance tweak and I don't see why we should describe it as
more than that.
Regards,
John Levine, jo...@taugh.com, Taughannock Networks, Trumansburg NY
Please consider the environment before reading this e-mail. https://jl.ly
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