Re: [lwip-users] question about 4*MSS

[Kieran Mansley]

On Mon, 2009-04-27 at 17:10 +0800, yueyue papa wrote:
> i also meet the performance slow probelm.  The logical is very simple:
> TCP send and receive. (similar as HTTP. )
> 
> I always see the ACK and delay ACK discussed, is ther default suggest
> paramters.

The solution is simple: increase the ratio between TCP_SND_BUF and
TCP_MSS.  At the moment you only have two MSS in each TCP_SND_BUF.  Try
increasing this to four, either by making TCP_SND_BUF bigger, or TCP_MSS
smaller.

Kieran