Tunnelling OPC DA – Know Your Options
Anyone who has attempted to network OPC DA knows that it is challenging, at best. The networking protocol for OPC DA is DCOM, which was not designed for real-time data transfer or industrial systems. DCOM is difficult to configure, responds poorly to network breaks, and has serious security flaws. This article will look at how tunneling solves the issues associated with DCOM, and show you what to look for in a tunneling product for OPC.
