Re: TCP/IP Speed

[Dan Maas]

> When I ping two linux machines on a private link, I get 0.1 ms delay.
> When I send large TCP/IP stream data between them, I get almost
> 10 megabytes per second on a 100-base link. Wonderful.
> 
> However, if I send 64 bytes from one machine and send it back, simple
> TCP/IP strean connection, it takes 1 millisecond to get it back? There
> seems to be some artifical delay somewhere.  How do I turn this OFF?

Stupid question - did you turn Nagle off?

int one = 1;
setsockopt(fd, SOL_TCP, TCP_NDELAY, &one);

(I think; typing from memory...)

Regards,
Dan