On Wed, Jul 24, 2002 at 12:37:03AM +0100, David Laight wrote:

 > I remember some tests done with large TCP (IIRC) windows. The recipient
 > decides to ack every other packet, however the sender has a 32k window
 > - so is sending about 22 full sized packets out back to back.  None
 > of the acks get onto the lan until it is idle, by which time 11
 > are queued and all go out as back to back frames.

Under what OS?  That's certainly not how the BSD network stack works.  In
BSD, tcp_input() will call tcp_output() when it decides it needs to send
an ACK, which will transmit the packet immediately.

-- 
        -- Jason R. Thorpe <thorpej@wasabisystems.com>