Experimental Physics and
Industrial Control System

> If I run CA inside an IOC and connect to a PV inside the same IOC.
> Does this in effect really bypass the CA networking part and uses
> direct DB access to that PV since it's inside the same program?

If an applications using the CA client library is running inside of an IOC
and its channel is connected to a PV in that same IOC no TCP/IP circuit is
created, and the client application's requests are directly translated into
db_access.h calls.

Jeff

> -----Original Message-----
> From: [email protected] [mailto:tech-talk-
> [email protected]] On Behalf Of Heinrich du Toit
> Sent: Thursday, September 27, 2007 4:14 AM
> To: TechTalk EPICS
> Subject: Question about CA and optimization
> 
> 
> I just want to clarify something.
> 
> If I run CA inside an IOC and connect to a PV inside the same IOC.
> Does this in effect really bypass the CA networking part and uses
> direct
> DB access to that PV since it's inside the same program?
> 
> Or do you need to do something special to enable this optimization
> thingy :)
> 
> thanx
> -Heinrich

References:

Question about CA and optimization Heinrich du Toit

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