Experimental Physics and
Industrial Control System

"Jeff Hill" <[email protected]> · Fri, 30 May 1997 18:26:52 -0600

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> From: Matthias Clausen DESY -MKS-2/KRYK- <[email protected]>
> To: [email protected]; [email protected]
> Cc: [email protected]
> Subject: Re: CA and EPICS_CA_ADDR_LIST -> EPICS_CA_ADDR_FILE
> Date: Friday, May 30, 1997 1:08 PM
> 
> The question of getting access to remote (off subnet) IOC's is a common
one.
> The limit in the env. vars is maybe also good because we might end with
addr-lists of too 
> many nodes. None the less I want to propose to add a new env. var like:
EPICS_CA_ADDR_FILE
> where you can enter all your IOC's you want to talk to. This might be a
performance hit to 
> the client and therefore it should not be implemented on the IOC clinet.
> Another solution might be the ca_name_server which we heared about during
the EPICS 
> workshop and which might have another implementation based on the
portable ca_server.
> If this solution would be available already for 3.13 (Jeff??) many of us
would not need to 
> argue any more about the limitations in EPICS_CA_ADDR_LIST.
> 

I intend to slip this small change (allowing the ca server to provide name
resolution services) into EPICS 3.13.

Jeff

Experimental Physics and Industrial Control System

Experimental Physics and
Industrial Control System