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Subject: | Re: buying tornado seats for EPICS application developers |
From: | Matthias Clausen <[email protected]> |
To: | EPICS tech-talk <[email protected]> |
Date: | Fri, 30 Jan 2004 09:38:03 +0100 |
Does this not really come back to the question which license is necessary just to be allowed to use the Tornado header files? - And why?I am in the process of renewing our vxWorks maintenance. Unfortunately, WRS still does not have a two tier licensing scheme for users of Tornado GUI tool verses folks that are just building and installing executables with scripts (i.e. typical EPICS application developers).
Again - why would an application developer need a seat? Isn't one license enough? The number of seats limits the number of concurrent developer/ online debugging sessions. Is the number of developers using the header files limited?It occurs to me that there is a potential to significantly reduce the cost of Tornado ownership at EPICS installations. It seems that if someone were to modify the SNL compiler so that it produced byte code which is interpreted at run time (similar to JAVA) and there was an option to create an alternative IOC configuration where dependence on the target symbol table by vxWorks compiled iocCore was removed (we already have this working on other OS with R3.14), then the application developer wouldn't need to use a Tornado seat.
Sites might need to buy Tornado seats for building EPICS base and forWe are working on the same problem and heard a similar rumor in Germany.
developing drivers, but not for developing EPICS function block databases or
to develop SNL based logic.
I was just curious if there was any general level of interest in that
approach?
P.S. I just heard that there is a new 8k US $ per year per seat licensing model from WRS which allows unlimited use of any hostArch / targetArch / project permutation by one user.