"Yes, Microsoft wants a piece of the action every time a buyer and seller come together online. It also wants to guide computer users to its own subscription Web services and to the Web services developers create with Microsoft tools. Sun wants to prevent Microsoft from steamrolling it in those same markets and would propose an identity standard, not a product.
As always, the focus is on the horse race: Who will win? The answer is that the question is irrelevant. There won’t be just one identity service. There will be hundreds if not thousands of identity services. It won’t matter whose identity service you use any more than it matters which ISP you use."