I agree with Bill¹s assessment of performance vs. development time. I would
add also that there are Perl (
http://search.cpan.org/~plonka/Spectrum-CLI-1.016/CLI.pm ) and Ruby (
http://www.dachsug.ch/wiki/index.php/SpecTools ) wrappers for the CLI so you
can use those languages instead of shell scripting. I haven¹t used the Perl
wrapper, but I¹ve been very happy with the Ruby one.

If you¹re writing something that will register watches with the
SpectroServers, meaning they will push you data instead of you querying
them, your only option then is CORBA. I¹ve posted previously on my
experiences doing this. ( http://lists.unc.edu/read/archive?id=5761456 )

Finally, if you¹re going to be doing work with the relationships between
models, you should know that we¹ve found a bug in the CORBA API that¹s not
in the CLI. Basically, the CORBA API may not return all of a model¹s
relationships, depending on which side of the relationship you query (i.e.
it may tell you that A is a neighbor of B, but not that B is a neighbor of
A). CA has accepted this as a bug and a fix is slated for H06.

HTH,
Jim


-- 
JIM PFLEGER  |  Application Architect  |  Insight  |  insight.com

t. 480.889.9680 f. 480.889.9599  [email protected]




On 6/16/11 2:32 PM, "Barnes, William" <[email protected]>
wrote:

> If all you are looking at is performance, then hands down, CORBA far exceeds
> CLI.  CORBA is much faster than CLI, but due to the complexities of developing
> something for CORBA, we use CLI for all small, or moderately used jobs.  If we
> have something that is going to communicate heavily and it's going to be used
> frequently or if it requires tight reliable response times, then we will take
> the effort to develop it in CORBA (and document it heavily).
> 
> So for us: CLI is 99.9% of what we do, with CORBA that specialized .1%.
> 
> Bill Barnes
> Sr. Engineer
> Comcast Cable
> 
> From: Diego Pereyra [[email protected]]
> Sent: Thursday, June 16, 2011 4:17 PM
> To: spectrum
> Subject: [spectrum] CLI or CORBA ?
> 
> Hi list ¡
>  
> I will like to know yours experience about wich one have better performance,
> using  between CORBA or CLI.
>  
> Thanks!
> Pereyra Diego
>  
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