> On Monday, August 25, 1997 4:14 PM, Jake Messinger [SMTP:jake@ams.com] wrote:
> > On Mon, 25 Aug 1997, Tom Samplonius wrote:
> >
> > > > asyncmap 0x00000000
> > > >
> > > > Fixes basically everything. The file now downloads at 10.54 K/s, I have
> > > > very
> > > > few slowdowns whatsoever.
> > >
> > > This is bogus. A all-zero async map means that no characters are
> > > escaped, so everything is transmitted as-is. So, so all those
> >
> > Im not sure about that. Depending on the unit or software, an 0x00000000
> > COULD mean to escape EVERYTHING. I cant remember where I read this but I
> > DID definitely read this.
>
> Well, this is what it looks like without my pppd asyncmap set to 0x0000000:
>
> Async Map: L:00000000 R:ffffffff 00000000
>
> When I set it to 0x0000000, i get this:
>
> Async Map: L:00000000 R:00000000 00000000
>
> So obviously it had an effect for Receive async maps and isn't bogus.
>
> I'm guessing 0x000000 is mask all, and 0xfffffff is mask none.
No, 0 means none, and ffffffff escape the first 64 characters.. This
makes perfect sense. The problems you experienced before were due to the
massive amount of escaping that would have to be done by the PPP layer.
Assuming a random distribution of characters, 25% of all characters would
be escaped, resulting in 25% more traffic.
> Jordan
>
> --
> Jordan Mendelson : www.wserv.com/~jordy/
> Web Services, Inc. : www.wserv.com
>
>
>
Tom