On Jul 10 2012, Paul Wouters wrote:

>At Quebec City I volunteered for a use cases document for automating
>parent-child DNS updates. I've submitted a draft for it, and hope to
>get feedback before and in Vancouver...
>
>Paul
>
>
>https://datatracker.ietf.org/doc/draft-wouters-dnsop-secure-update-use-cases/

| 3.2.  The NS RRset
|
|    Both the child and the parent have a copy of the NS RRset.  These
|    RRsets are supposed to be identical.  If they differ, it is referred
|    as a "Lame Delegation".

I have always thought that a "Lame Delegation" was something more specific:
an NS record in the delegation that points to a server that is not in fact
authoritative for the zone at all. Is the above actually common usage?

[That's not to say that any differences between the two NS RRsets is ever
desirable, except as may be necessary or expedient during a change.]

--
Chris Thompson               University of Cambridge Computing Service,
Email: cet1@ucs....    New Museums Site, Cambridge CB2 3QH,
Phone: +44 1223 334715       United Kingdom.
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