Re: [gentoo-user] Re: X-Forwarding over wireless

[Hans-Werner Hilse <hilse@web.de>]

Hi,

On Thu, 22 Feb 2007 15:49:42 +0000 (UTC)
Grant Edwards <grante@visi.com> wrote:

> On 2007-02-22, Uwe Thiem <uwix@iway.na> wrote:
> > On 22 February 2007 16:55, Grant Edwards wrote:
> >
> >> More likely it's latency.  Most "modern" X apps seem to require
> >> a lot of round-trips between client and server.  The latency of
> >> a Wifi link is probably 10-100X that of a wired Ethernet link,
> >> even if the bandwidth is the same:  
> >
> > Where do you get that number from?
> 
> My Wifi network often has latencies of 50-100ms, while typical
> wired latencies are 1-5ms.  I assumed that's typical.  It could
> be there's something screwy in my WAP -- it does lock up not
> infrequently.

I think that's your WAP. On my link, the latency is and stays at about
2.8 msec (11MBit 802.11b link). If you have a userland daemon involved,
you might get better results w/ a high HZ value.

-hwh

hw@butch ~ $ ping lsys
PING lsys (192.168.2.1) 56(84) bytes of data.
64 bytes from lsys (192.168.2.1): icmp_seq=1 ttl=64 time=2.59 ms
[...]
64 bytes from lsys (192.168.2.1): icmp_seq=20 ttl=64 time=2.63 ms

--- lsys ping statistics ---
20 packets transmitted, 20 received, 0% packet loss, time 18997ms
rtt min/avg/max/mdev = 2.511/2.756/3.162/0.208 ms

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