DCOM provides a versatile and secure platform for OPC communication. It is also freely available with Windows. However, there are instances where DCOM does not or cannot provide an acceptable solution, and Integrators prefer to pay money to install an OPC tunneling product from a vendor. The following lists the scenarios in which DCOM OPC tunneling technology is preferred over DCOM:
Whether you decide to use OPC Tunneling or DCOM, the OPC Training Institute hopes that you endeavor to learn DCOM before you make your decision. Most people find DCOM to be surprisingly logical once they understand how it works.