Le quintidi 25 fructidor, an CCXXIV, Rob van der Putten a écrit : > So the question should have been 'Is delayed ack disabled'. > I have a hard finding decent information on the subject, so I did a bit of > experimentation; > I send tiny bits of data (two bytes at a time) to a little echo server. As > it turns out, the use of delayed acks and therefore nagle, depends on the > time between sending the bits of data and the RTT.
I do not think you can really test delayed ACK with an echo server: the principle of delayed ACK is to leave a little time to the application to send a reply, because then the ACK can be bundled with the reply, saving a packet. With an echo server, the reply comes immediately, never letting the delay for the ACK expire. Regards, -- Nicolas George
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