Re: 1.3.87 and SLOW SLIP/PPP

Matthias Urlichs (smurf@smurf.noris.de)
Fri, 19 Apr 1996 13:34:27 +0100

In linux.dev.kernel, article <2F655C07401@rkdvmks1.ngate.uni-regensburg=
.de>,
"Ulrich Windl" <Ulrich.Windl@rz.uni-regensburg.de> writes:
> On 13 Apr 96 at 11:48, Linus Torvalds wrote:
>=20
> > I do think that the delay is appropriate, but it might be better to=
make=20
> > it even lower (0.02 sec instead of 0.1 seconds). That would still c=
atch=20
> > immediate back-to-back packets while not showing up in any interact=
ive=20
> > use.
>=20
> Shouldn't the delay be based on (be inverse proportional to) the=20
> interface speed? On high speed networks a short delay will probably=20
> do, but if you run SLIP over a 2400 baud modem...

The delay is the one between arrival of a data packet and the sending
of the appropriate ACK, just to give the system a chance to come up wit=
h
an echo character onto which the ack can be piggybacked. Why should tha=
t
depend on link speed?

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