Just as an idea. Why can't we use hop by hop flow control for TCP?

I'm curious why I did not yet see a hop by hop flow control flavour for
TCP. Do I miss something? For ATM Networks, such approaches have been
conducted. I think of a classical window based flow control for TCP.

This would be an alternative to the end to end "congestion control".

I'm curious, whether such a approach has ever been conducted to a
certain degree.

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