Design teams -- groups of people with specific interests in tackling specific protocol tasks. The general idea is that design teams will get together, hash out some of the issues, and submit their work as Internet Drafts. They may correspond on the main list, on private lists, or however they need to get their work done. This is not a formal structure. If you want to work with the people listed, let them know. If you want your name listed because you think you're working on something, or you want to start a new team effort, let the WG chairs know.
Current known efforts include: