This is not actually correct. The IETF has a very long history of
pushing back on multiple redundant solutions to the same problem.
There are a great many cases of ADs, working group chairs, and others
pushing quite hard to prevent multiple solutions when one would work
fine.
In the very many previous cases it was not necessary to write a
document because the second (or third, or ...) solution was within the
same standards body, and it was possible to either prevent
publication, or publish the second solution as informational, or
publish the second solution with a disclaimer up front saying some
form of "we recommend this other solution [add normative reference]
which is the agreed IETF standard".
as ops ad, i had to do that with cops
randy
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