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

[Michael Scharf]

On Tue, 01 Jul 2008 at 09:22:06, Ted Faber wrote:
> But for all the folks who think there's some engineering reason to
> substitute ECN for receiver window: using ECN this way is foolish.

Agreed, ECN is no reasonable solution for flow control.

But what would be the role of rwnd if we indeed had one of these
router-assisted congestion control schemes that aim at providing more
precise feedback than ECN? Or e. g. re-ECN?

Michael