Linux in Government: Understanding Federated Identity Management | Linux Journal: "We all might find some difficulty in finalizing our thoughts on federated identity management. Perhaps the momentum behind the standards and the technology could change, and we might wind up with a totally different solution that the ones existing today. Most people in the technology field will say that once people start down a certain road, though, they seem compelled to stay on it. I tend to think that the three standards will merge or learn to co-exist."