Interscience Open Access Journals
The Open Platform Communication (OPC) is becoming the universal standard for platform independent data sharing and data access. The OPC standard defines communication standards to be followed for data integration in the automation industry. The OPC communication facilitates a language independent way of communication and by using this; all devices can communicate with a centralized or a distributed server in the network. The server will provide clients with facilities such as data monitoring, access and to change values in the devices in the network. The OPC UA provides security add-ons such as security in the transport layer which is mainly the Secure Sockets Layer (SSL).