[lwip-users] ftp speed is very slow?It is ftpd's problem or tcp's?

[乔崇]

Dear Sir:
        At night,I change  TCP_QUEUE_OOSEQ  from 1 to 0 in lwipopts.h.
very strange,Now ftpd's upload speed sometimes can reach 20KB/s,download speed 
can reach 300KB/s.
        Why upload still so slow,is it about tcp ack?how can solve it?
        Help me please!Thank you!
               qiaochong
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　　　　　　　　　　2003-11-09