[e2e] Why do we need TCP flow control (rwnd)?
michael.scharf at ikr.uni-stuttgart.de
Tue Jul 1 00:31:07 PDT 2008
On Mon, 30 Jun 2008 at 22:42:12, David P. Reed wrote:
> The rwnd question (one simple question that considers the flow control part
> of TCP) is interesting, as I said. But to consider it one has to consider
> externalities that this group and more generally the researchers in the
> field of "networking" have no good models for. As just one example: does
> a server version of Linux running a mix of server applications manage its
> kernel buffer pool in any way similarly to a laptop version of MacOSX
> running a mix of client applications?
I absolutely agree that the "networking" community has difficulties to
model these issues. Actually, this is another excellent motivation for
my original question: If we can't model flow control, why we don't we
just get rid of it?
BTW: I wonder how all those TCP simulators out there address this
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