I'm in Arlington, Virginia this week for the Internet2 Member Meeting. As usual, lots of good hallway conversations and meetings. I had to work my passage this time by contributing a presentation to a joint session on Building on Success: from Identity Federation to Interfederation.

As well as the traditional statistics about how large the UK federation has become, I talked a bit about some of the things I think contributed to its success. This was more in terms of broad concepts than details, the idea being to give people thinking of setting up new federations a guide to some of the tradeoffs involved.

As usual, here's a PDF version of my slides from the presentation: