[e2e] Why do we need TCP flow control (rwnd)?

[Detlef Bosau]

Ted Faber wrote:
> Losing an ECN marked packet sends the exact same congestion signal as
> delivering it.  That aspect of the system is remarkably robust.
>
>   

You're correct. So, ECN is an _additional_ information.
As long as packet loss is still reckognized as an indication for 
congestion, anything is fine :-)

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