On Tue, 2010-03-02 at 17:57 +0700, PHAM ANH THIEN wrote: > > my goal is improving speed of send/recv, now sending speed i reach > 1.2MBytes/s. And i recognize after 2 packets sending will receive a > ACK so > if i can change after 5 packets (or more) sending will receive a ACK > then > absolutely speed will increase? Is is my thinking correct?
No, sadly that's not the way TCP works. You are not limited by the rate of ACKs returned to the sender. You are most likely limited by whatever processes received packets and generates those ACKs. If it just sent an ACK every 5 packets that wouldn't make it magically work faster, it would just send ACKs less often. Your sender would therefore send bursts of 5 packets less often, and the speed would be about the same. > By the way, could you please tell me max speed of your lwip ? my > system > using is LPC2388 & FreeRTOS. Not usefully. Your system and setup and configuration will be different to other peoples, and this will affect the speed greatly. Kieran _______________________________________________ lwip-users mailing list lwip-users@nongnu.org http://lists.nongnu.org/mailman/listinfo/lwip-users
