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Re: [ldapext] exclusions versus alreadySearched
Ah, I see. That probably didn't occur to me as we've given up on NSSRs.
>>> Mark Ennis <mark.ennis@adacel.com> 6/14/04 5:08:36 PM >>>
Jim,
I seem to recall the main value of the ChainingResults.alreadySearched
field occurs when processing a nonSpecificSubordinateReference (nssr).
Each DSA referenced by the nssr will hold one or more subordinate
naming
context under the nssr. The alreadySearched field in the
ChainingResults allows the subordinate DSA to inform the superior DSA
which subordinate naming contexts it holds and has provided results for
in the chained search result. When using serial multi-chaining, this
information can be passed on to subsequent subordinate DSAs through the
ChainingArguments.exclusions field to reduce the work they need to
carry
out.
- Mark.
Jim Sermersheim wrote:
> All (especially anyone with X.500 experience)
>
> I'm trying to understand why the X.518 ChainingResults type has an
> alreadySearched field.
>
> If a DSA recieves a chained operation (which envelopes a search),
and:
>
> - can service the entire search request, I see no need to report
> anything in the alreadySearched field.
> - returns a referral during name resolution, there is also no need
> - returns a referral while searching (equal to a search result
> referece), then the exclusions field of the referral holds the
> "alreadySearched" data.
>
> Thus I see no need for ChainingResults.alreadySearched. Am I missing
> something?
>
> Once I understand this and a few other isuues, I'll submit the
chained
> operation I-D. I think I'll need to submit a control specification
as
> well so we can start passing around information in the X.518
> ContinuationReference (like exclusions)
>
> Thanks,
> Jim
>
>
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