On Fri, Apr 30, 2010 at 10:43 AM, Eric Hellman <[log in to unmask]> wrote: > Eek. I was hoping for something much simpler. Do you realize that you're asking for service taxonomy? I doubt I understand the full scope of the problem (never made it through the spec myself). But I imagine a sensible use of HTTP status codes would've gotten most of the way there. //Ed