John C Klensin wrote:
Dave, unfortunately, if "suffix" is formally defined, I haven't
been able to find it.
I was not intending to suggest that the specification was acceptable,
and apologize for not making that clear.
I was merely noting that the construct only made sense in terms of an
organization "base" domain name, rather than a TLD.
So it is a number of anchored right-hand fields, rather than only
containing the single, right-most-field.
As you and other note, the specification is critically flawed.
At the least:
1. It fails to define the semantics of "suffix".
2. It does not specify any syntactic detail for the <domain suffix>
field of the DHCP option. Is it a dotted ascii string? Some other
It is, IMO, just not acceptable for a standards-track document
to leave the interpretation of terms like "suffix" and "item" up
to the imagination of the reader when their definitions are key
to the implementation of the specification.
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