[ofa-general] Re: on the coexistance of uDAPLs

[Karl Feind]

I don't think I understand what the "signature differences" are.
My feeling is that libdat and the DAPL infrastructure should
be as independent of the individual DAPL layers as possible.  If
some DAPL layers with protocol version 1.2 are installed on the
same system as other DAPL layers with protocol 2.0, the best case
would be for the DAPL infrastructure (libdat and /etc/dat.conf) to 
allow this.

Karl Feind
SGI

On Mon, Apr 23, 2007 at 01:59:07PM -0400, Kanevsky, Arkady wrote:
> There are some signature differences between versions.
> Since redirection exposes signatures it is not trivial 
> for a single redirection to support different signatures.
> Is this really needed?
> Thanks,
> 
> Arkady Kanevsky                       email: arkady at netapp.com
> Network Appliance Inc.               phone: 781-768-5395
> 1601 Trapelo Rd. - Suite 16.        Fax: 781-895-1195
> Waltham, MA 02451                   central phone: 781-768-5300
>  
> 
> > -----Original Message-----
> > From: Arlin Davis [mailto:ardavis at ichips.intel.com] 
> > Sent: Monday, April 16, 2007 3:37 PM
> > To: Karl Feind
> > Cc: Brian Forbes; Edward Mascarenhas; Jeff Hanson; 
> > general at lists.openfabrics.org
> > Subject: [ofa-general] Re: on the coexistance of uDAPLs
> > 
> > Karl Feind wrote:
> > 
> > >>comments? other suggestions?
> > >>
> > >>-arlin
> > >>    
> > >>
> > >
> > >I'd really like to see a separate RPM (called something like 
> > >dapl-infra) that installs:
> > >
> > >	1) /etc/dat.conf  (empty)
> > >	2) a script that addes a provider to /etc/data.conf
> > >	3) a script that removes a provider from /etc/data.conf
> > >	4) libdat.so
> > >
> > >Any DAPL layer depends on this RPM, and invokes the scripts 
> > (2) and (3) 
> > >in the preinstall and postuninstall setep.
> > >
> > >This decouples the DAPL infrastructure from the DAPL instantiations.
> > >
> > >Just an idea.
> > >  
> > >
> > 
> > Do you see the need for different versions to co-exist (1.1, 
> > 1.2, 2.0)?
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