[e2e] Why was hop by hop flow control eventually abandonded?

Mark Handley m.handley at cs.ucl.ac.uk
Tue Jul 16 15:47:53 PDT 2013

It's before my time, but I'd always assumed it was also influenced by
the NVP work, which would not have wanted hop-by-hop flow control.


On Tue, Jul 16, 2013, at 02:24 PM, Bob Braden wrote:
> I believe that hop-by-hop flow control only works with per-flow state in 
> the routers (see X.25 for example). Once the decision was made that the 
> routers should be stateless, end-to-end flow control was the only 
> option. That is what the end-to-end principle is all about.
> Bob Braden

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