null
Keith is cool. I tried to explain this to Don Box and Keith (unsurprisingly, Simon already understood the value) over dinner after the devcon.
This actually is the same issue underlying SwA vs DIME. The issue isn't which is technically superior, the issue is who gets to choose. Once again, in another Microsoft SOAP implementation (.Net Remoting), there is the ability to provide your own Channels, Formatters, Sinks, Providers, etc. In ASP.Net...