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Re: Protocol: control specifications.

At 12:55 PM 1/9/2004, John McMeeking wrote:
>X.511 has a similar notion of recommended criticality. 

Similar or same?  Given that one of planned uses of LDAP
Controls was to provide a mechanism in which additional
X.511 semantics could be added to LDAP in a manner which
would facilitate implementation of LDAP<->X.511 gateways,
I think the intent was for the criticality semantics to
be the same.

X.511:
   The criticalExtensions component provides a mechanism
   to list a set of extensions which are critical to the
   performance of a Directory operation. If the originator
   of the extended operation wishes to indicate that the
   operation shall be performed with one or more extensions
   (i.e. that performing the operation without these
   extensions is not acceptable), it does so by setting the
   criticalExtensions bit(s) which corresponds to the
   extension(s). If the Directory, or some part of it, is
   unable to perform a critical extension it returns an
   indication of unavailableCriticalExtension (as a
   ServiceError or PartialOutcomeQualifier). If the Directory
   is unable to perform an extension which is not critical,
   it ignores the presence of the extension.

Sounds the same to me.