Messages in this thread | | | Date | Wed, 30 Jan 2002 11:35:41 -0500 (EST) | From | "Richard B. Johnson" <> | Subject | Re: 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/
| |