[plug] Ping

[Robert Andrews]

Okay thanks for that

----- Original Message -----
From: "Campbell, David (Ex AS17)" <david.j.campbell at honeywell.com>
To: <plug at plug.linux.org.au>
Sent: Thursday, December 14, 2000 11:49 AM
Subject: RE: [plug] Ping


> > From: Leon Brooks [SMTP:leon at brooks.smileys.net]
> >
> >> Robert Andrews wrote:
> >> win pings 150-170 ms
> >> linux pings 170-205 ms
> >> Can anybody explain to me why this is.
> >
> > Ummm, Windows is lying or broken?
>
> The difference is within statistical limits, the timing capacity of Linux
is
> 0.01 sec (10 msec, unless you have an alpha processor which has 1msec
> resolution). I am trying to hunt down the timer tick frequency of NT
(MS-DOS
> is 13.5 ticks/sec => 74 msec). NT has been known to round down when
> performing IP timing (eg: the infamous 1GB/sec on some FTP transfers). In
> summary, until you start reaching 500 msec it doesn't carry much weight.
>
> David Campbell
>
>