[e2e] First rule of networking: don't make end-to-end promises

[Cannara]

Precisely the point David -- Transports can't hide anything but perhaps loss. 
TCP congestion-control, however, attempts to do more than that, so fails at
some things it should do.

Alex

"David P. Reed" wrote:
> 
> At 02:32 PM 4/22/2004, Cannara wrote:
> >Of course, the fundamental issue is why any Transport protocol should be at
> >all concerned with Network-layer loading and congestion points.  That, after
> >all, is opposite to the concept of Transports providing reliable end-end
> >service, regardless of what the next layers down are troubled with.
> 
> This is technically incorrect: that the Transport protocol should (or even
> can) hide network loading and congestion.
> 
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