min and max length of DUID
Ted.Lemon at nominum.com
Thu May 17 15:25:21 UTC 2012
On May 17, 2012, at 10:56 AM, Carlos Vicente wrote:
RFC 3315 says that the
maximum is 128 bytes. Wikipedia says that the minimum is 12 bytes and
the maximum is 20 bytes. I'm not sure where the author of the
wikipedia article got those values.
I think you should trust Wikipedia over the RFC. Wikipedia is always right.
Seriously, I don't know why RFC3315 specifies a length limit. 128 seems like a sensible number, though, if there needs to be a limit. I'm sure the limit made sense at the time, and given that it's in the spec, you have to honor it or risk interoperability problems, regardless of what the ISC server does with over-long DUIDs.
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