Can a new communication protocol be the answer? No. In fact, it would be counterproductive to add yet another protocol to the existing clutter. The approach taken with OPC UA is much more promising: instead of another protocol, OPC UA relies on information models.
The main difference is in the structure. OPC UA information models provide semantically unambiguous definitions specifying exactly which space and which properties are assigned to which type of data. This makes the data machine-readable and allows it to be automatically developed into information.
In 2016, the OPC Foundation launched the "Shaper" initiative to develop OPC UA over TSN – an open, standardized information model for seamless communication from the cloud down to the field level. Now referred to as OPC UA FX, the resulting solution is overseen by the Field-Level Communications (FLC) initiative of the OPC Foundation.