[ldapext] draft-zeilenga-ldap-dontusecopy & chaining

[Pierangelo Masarati <ando@sys-net.it>]

>  When the control is attached to an LDAP request, the requested
>  operation MUST NOT be performed on copied information.  That is, the
>  requested operation MUST be performed on authoritative information.
>
>  If authoritative information for the target or base object of the
>  operation is not available, the server MUST either return a referral
>  to a server believed to be better able to service the request or
>  return an appropriate result code (e.g., unwillingToPerform).

There might be a third option, i.e. "chain" the operation by chasing the 
referral to where the original data is contained.  I think you should 
either specify if this is acceptable, provided that chaining ensures 
that the Don't Use Copy control is propagated along with the chaining 
request, or this must not be performed; if you don't clearly indicate 
this, I would infer that the choice is left to implementors (i.e. I 
would consider "authoritative information available" by means of 
referral chasing if the server is generically configured to chase 
referrals).

p.


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