Experimental Physics and
Industrial Control System

Greg White <[email protected]> · Mon, 28 Nov 2011 19:42:11 +0100

Hi tech-talk,

Ok, so this rapidly got out of hand! Before my execution let me say it was 
never my intention to start a private discussion on a major development. I was 
only asking for feedback from EPICS V4 developers about the possible use of a 
planned module of EPICS V4 to help with problems I had heard about. 

It was an extremely preliminary question, just for my own fact finding. So I 
could learn about those issues, and then, you know, in years hence, maybe maybe maybe, 
say stupid things on tech-talk. 

Cheers
Greg

On 28 Nov 2011, at 19:13, Andrew Johnson wrote:

> On 2011-11-28 Ralph Lange wrote:
>> On 25.11.2011 09:31, Greg White wrote:
>>> PSI has undertaken to build a new EPICS gateway system from scratch. SLAC
>>> is also unhappy about the gateway. Can EPICS V4 help with that, say a
>>> gather service serving CA3?
>> 
>> Do you have a more substantial and detailed gateway problem description
>> than "being unhappy about it"?
>> 
>> Please do not underestimate the effort of creating a gateway
>> application. The current one swallowed several person years.
>> I'm not sure what you mean by "gateway system", but it does sound even
>> more complicated.
> 
> I second Ralph's questions, and would also ask why the discussions about any 
> problems that sites are having with the current gateway have not taken place 
> in public on tech-talk?  If the software's maintainers (i.e. Ralph and the 
> other core developers) don't know about the problems they can't help you fix 
> them.
> 
> Personally I would much rather that significant development effort be spent on 
> adding new functionality to the EPICS toolkit.  Solving Not-Invented-Here 
> problems dilutes the limited effort that we have.
> 
> Having private discussions about major development work will result in the 
> EPICS collaboration dying.
> 
> Replies to tech-talk please.
> 
> - Andrew
> -- 
> Optimization is the process of taking something that works and
> replacing it with something that almost works, but costs less.
> -- Roger Needham
> 
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Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System