Subject: Re: Clock synchronization with ISDN
To: None <firstname.lastname@example.org, email@example.com>
From: Wolfgang Solfrank <firstname.lastname@example.org>
Date: 02/17/1997 20:22:18
> The timestamp is coming over the 16Kbit/s D channel, which is designed to be
> a very low latency out-of-band signaling channel.
> Why would latency be high on the D channel? Assuming you're not abusing it
> for something like a low volume X.25 channel, by definition, there should
> never be any significant latency.
Since by design the D channel may carry a "low volume" X.25 channel (it's
running effectively as a 9600 baud X.25 line), why would anyone bother to
make the clock particularly accurate, esp. more accurate than can be
guarranteed over this channel?
ws@TooLs.DE (Wolfgang Solfrank, TooLs GmbH) +49-228-985800