Quoting Lynn Hales <lhales at earthlink.net>:

> Hello Les,
> 
> Thanks Les,  evil probably but the entire control industry has selected
> it as a communication standard.  Lynn
> 

Actually, if you go to opcfoundation.org, you will see that the proprietary DCOM
based microsoft protocol is being phaased out and they are going to use XML-RPC
based protocols instead. I have agree with Les, and think the move to XML-RPC is
a smart one, bringing into the the 20th century, let alone the 21st :-)

My .02 cents


> l> OPC! EVIL!!!!
> 
> l> Actually, spent a lot of time partially implementing an OPC Data Access
> l> Server ( & Client ) in VisualWorks.  In the end, we found a third-party
> DLL
> l> from WinTech that we've been using since and have been pretty happy with.
> l> You could probably hook that up using FFI pretty easily.  The DLL is
> around
> l> $1000, one-time payment for unlimited use & source.  Money well spent,
> l> actually.
> 
> l> Also, check out Matrikon for some handy OPC tools that you can download.
> l> Very handy for verifying that your server is working properly.
> 
> l> - les
> 
> 
> 
> l> ----- Original Message ----- 
> l> From: "Brian Brown" <rbb at techgame.net>
> l> To: "The general-purpose Squeak developers list"
> l> <squeak-dev at lists.squeakfoundation.org>
> l> Sent: Sunday, February 15, 2004 8:54 PM
> l> Subject: Re: OPC
> 
> 
> >>
> >> On Feb 14, 2004, at 3:20 PM, Lynn Hales wrote:
> >>
> >> > I was wondering if anyone had experimented with OPC client and servers
> >> > applications within Squeak?  If so I would love to hear.
> >> >
> >>
> >> By OPC are you referring the Microsoft protocol to control hardware
> >> devices like video switches,etc?
> >>
> >> If so, I don't know of any in Squeak.
> >>
> >>
> >> > -- 
> >> > Best regards,
> >> >  Lynn                            mailto:lhales at earthlink.net
> >> >
> >> >
> >>
> >>
> >>
> 
> 
> 
> 
> 
> -- 
> Best regards,
>  Lynn                            mailto:lhales at earthlink.net
> 
> 
> 


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