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Date:      Sat, 12 Feb 2000 10:50:56 +1030
From:      Greg Lehey <grog@lemis.com>
To:        Julian Stacey <jhs@muc.de>
Cc:        freebsd-isdn@FreeBSD.ORG
Subject:   Re: free slow channel
Message-ID:  <20000212105055.F89378@freebie.lemis.com>
In-Reply-To: <200002101633.QAA39597@jhs.muc.de>
References:  <200002101633.QAA39597@jhs.muc.de>

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On Thursday, 10 February 2000 at 16:33:15 +0000, Julian Stacey wrote:
> A friend told me in [last weekend's (5&6 Feb 2000)?] Suddeutsche Zeitung
> `Computer & Co' supplement, it reported that, as of 9/2000 Deutsche Telekom
> would offer free continuous ISDN connection at low bandwidth.
> I presume this is buried inside the 16K D channel,
> I hope it's not tied into their own ISP service, but is generic,
> Anyone know more ?  If I find out more I'll post.

I don't know about Germany, but I do know that another European
carrier is experimenting with this idea.  I've been asked not to
reveal which, though if you have been following the FreeBSD lists you
should have seen the message and noticed what is going on.

> Apart from trickle feed for list mail etc, another example of use
> maybe: Have one's site on internet all the time @ low speed, &
> hack/hang a detector on the ftpd & httpd log file writing routines,
> scan for interesting domains, & dial out via i4b if the client
> request was coming from domains you'r prepared to pay telekom
> charges for.

When I was living in Germany, I was very interested in D-channel ISDN
for DNS lookups and such, which frequently caused significant cost
(one unit per lookup).  I fixed that the obvious way, of course, with
an off-site DNS primary.  It might be interesting for mail delivery as
well, though.

Does anybody have an idea how fast D-channel ISDN would be?  I'd
expect that you could get a significant portion of the 16 kb/s, so it
wouldn't be *that* slow.

Greg
--
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