RE: Overlay Documentation

["Howard Chu" <hyc@highlandsun.com>]

> -----Original Message-----
> From: Pierangelo Masarati [mailto:ando@sys-net.it]

> > At 10:26 AM 3/18/2004, Howard Chu wrote:
> >>> I think we
> >>> should focus on
> >>> the maturity of native interfaces (e.g., ensuring the native
> >>> interfaces are
> >>> encompassing of our needs and well documented).
> >>
> >>I agree. I think we're still figuring out whether or not the native
> >> interfaces are suficient...
> >
> > One sign that the native interface is encompassing will be
> > when SLAPI compatibility layer can be (and hopefully will be)
> > implemented as a module interacting with SLAPD over the
> > native interface.
>
> My sensation is that SLAPI calls can occur in far more places
> than overlay ones;
> the latter are confined to after a database is
> selected, and along
> the path from front-end to backend and vice-versa.  SLAPI can also act
> before database selection.  Everything else occurring after database
> selection should be possible with overlays as well.

Yes. There's also the side-wart of SLAPI ACL plugins...

> Note
> however that by
> using back-relay in its current implementation, one should be able to
> interact with the request BEFORE real database selection, at
> the price of
> unnecessary DN rewriting because one needs to mask the real
> naming context
> used in the real databases.  Maybe we could simply add a
> stack of overlays
> BEFORE the database is selected?

One could create a relay instance with suffix "" and push everything under
it, yes? Just an idea...

  -- Howard Chu
  Chief Architect, Symas Corp.       Director, Highland Sun
  http://www.symas.com               http://highlandsun.com/hyc
  Symas: Premier OpenSource Development and Support