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

Detlef Bosau detlef.bosau at web.de
Wed Jul 17 03:52:57 PDT 2013

Am 16.07.2013 23:24, schrieb Bob Braden:
> 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

Is this really the "end-to-end principle"?

To my understanding, Jerry Salzer indicated that it is an important 
discussion whether a certain mechanism is placed on the communication 
end points or somewhere along the path.

The Salzer paper is not primarily a "principle", it is more a "culture 
of thorough thinking".

Detlef Bosau
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