Soft focus photography and Bokeh are fundamentally different. In soft focus photography there is an intentional blurriness added to the subject while the actual edges are retained in sharp focus, but in bokeh it is only an element of the image that is intentionally blurred. Additionally, bokeh tends to emphasize certain points of light in the image as well.
To understand what Bokeh photography is all about, take a look at the following examples of bokeh photography.
Check out the previous episode here.