lkml.org 
[lkml]   [2002]   [Jan]   [30]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: TCP/IP Speed
On Wed, 30 Jan 2002, Zwane Mwaikambo wrote:

> On Wed, 30 Jan 2002, Richard B. Johnson wrote:
>
> >
> > 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?
>
> I would say its all in the TCP connection initiation (socket(), create()
> etc...)

But it's already connected.


host:
for (;;) {
gettimeofday(...);
write(s, buf, 64);
read(s, buf, sizeof(buffer));
gettimeofday(...);
/* delay is 1.0 ms */
}
server is IPPORT_ECHO



Cheers,
Dick Johnson

Penguin : Linux version 2.4.1 on an i686 machine (797.90 BogoMips).

I was going to compile a list of innovations that could be
attributed to Microsoft. Once I realized that Ctrl-Alt-Del
was handled in the BIOS, I found that there aren't any.


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-03-22 13:15    [W:0.079 / U:0.240 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site