Re: [colorforth] End-to-End Internet Packet Dynamics

[Mark Slicker <maslicke@xxxxxxxxxxx>]

On Wed, 28 Apr 2004, Mark Slicker wrote:

> Data rate could vary just as the window varies. It could go to zero if
> needed. The window is not for reliability, it is for perfomance, to
> reduce the number of unACKed packets sent. Packets that are not
> ACKnowledged are automatically retrasmitted, this is the reliability
> portion of TCP. Flow control is for performance.

What I said is not quite right, the window does ensure that the sender
doesn't move until the data is acknowledged. That could be considered a
form of reliability.

Reconsidering my posts, perhaps my quarl is not with TCP, but the
inappropriate use of TCP. TCP is good at emulating the infinite
bidirectional Unix pipe.

Mark

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