Building a UA tool is not a technical problem. Problem in defining acceptable business processes. More angst, grief, pain. We're using much of the VUnet ID construction. We want to now sit next to it a series of scaleable resources.
Short answer is yes.
Vision is that the principal remains the same. Issue not raised in document is how it appears, is marketed. Business processes need to be resolved. Number of services that would not let you use if you don't use the upgrade. Faculty could sign up and get VUnet ID for e-mail, etc.