ASP.Net MVC中的验证策略

I've spent some time working on a strategy to implement validation in my ASP.Net MVC site. At the risk of over-engineering, I'm attempting to develop a loosely couple implementation that could be rolled out consistently for any of my projects. Given all the moving parts, I thought I would ask the folks at SO to see if they have any input or thoughts on improvement. The code is obviously contrived, I just wanted to give a sense of how everything hangs together.I've spent some time working on a strategy to i