History Channel - The Internet: Behind the Web

From: Bob Shannon <bshannon_at_tiac.net>
Date: Thu Oct 10 12:27:01 2002

No, the first IMP's were build on Interdata machines I think, long long
before Qbus.

Fred N. van Kempen wrote:

>> Yeah, even my wife enjoyed it!
>>
>Sadly, we don't get it in Europe... *sigh* Anyone got a taped
>copy?
>
>>So, the IMPs they built would be the first network interface,
>>right? The precurser to the present-day NIC.
>>
>Well, no.. IMP's connected a local(-ish) network to the remote
>(-ish) network, usually over a slow(-ish ;-) WAN link like a
>56K switched circuit. You could see them as the first series
>of protocol-converting gateways, though.
>
>Werent they built by BBN, and based on PDP-11(/23's) with the
>Fuzzball software load image?
>
>--f
>

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