[e2e] Protocols breaking the end-to-end argument

[Jaime Mateos]

Jon Crowcroft wrote:
> A sad recent error has been 
> EU statements that everyone doing 
> next gen internet research should be
> trying to converge on IPv6, but 
> that's a whole other rant...
>
>
>   

That's a rant I'm interested about. Where in your opinion does IPv6, 
specially features such as flow label support, fit in the end to end 
argument?