There are a lot of theories about how this situation might be improved. One problem, of course, is that the Internet is such a fundamental part of everyday life now that we can’t easily imagine replacing it with a new, designedfrom-scratch version. here is, however, a fair amount of “clean-slate” research underway, based on the theory that working on a future Internet unhindered by questions of incremental deployment might lead to some new insights that could later be retrofitted to the current Internet. (See the Further Reading section of Chapter 3 for some references.)