If you are enquiring about specific types of sub training, there are a number of web sites that each have their own philosphy and offer examples.

There is a running joke about the "dom's handbook" or "sub's handbook" that should be read daily. Yet,
no single "handbook" is going to work for every dom or sub.

Here's an example of one type of training:

http://bestslavetraining.com/Welcome.htm

Go to your favorite search engine, use key words
like "BDSM, training, method, submissive, dominant"
etc. and you'll find a bunch.

If there is something specific you are seeking, please let us know and someone here might have a link handy.

Ruby