Thank you.  I feel this clearly and concisely summarizes the role of
opensolaris vs solaris.  It explains a lot that I've wondered about, and
really makes the relationship clear and simple to understand.

Now I'll go tell my colleagues, because I doubt they understand it so well
either.  ;-)



> Edward Ned Harvey wrote:
> >> The next Solaris release will be based on OpenSolaris.  Solaris 10
> is
> >> the current Solaris release.
> >
> > So ... You're saying ...
> > Solaris 10, and all of its various versions (10/09, 5/09, 10/08,
> 5/08, etc)
> > are not based on opensolaris.
> 
> Yes.   OpenSolaris was started after the Solaris 10 release, with the
> current
> code base under development for the following release.
> 
> > But some day they may decide to create "Solaris 11" or whatever they
> might
> > want to call it, and that would be based on opensolaris.
> 
> That's the plan we've been working to since 2005.
> 
> > In the meantime, as opensolaris is constantly evolving, are the
> current
> > opensolaris developments being migrated or merged into solaris 10 in
> any
> > way?
> 
> Many have - features like ZFS that are in Solaris 10 now went in to
> OpenSolaris
> first.   Sun's policy is that new features and fixes planned for
> Solaris 10
> should (except in special cases, such as changes to software that was
> removed
> from Solaris after Solaris 10) go into the development branch (aka
> OpenSolaris)
> first, and after "soak time" there to find & fix bugs, be backported to
> Solaris
> 10.
> 
> Many will not - they're too disruptive to introduce to the stable
> enterprise
> release, or are a feature that was decided is best introduced in the
> next
> release of Solaris.   (After all, if everything in Solaris 11 was
> backported to
> Solaris 10, why would anyone upgrade to Solaris 11 when it came out?)


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