[ih] Another birthday?

[Stephen Casner]

Craig,

> Would this have been on the PSAT (Pluribus Satellite IMP) or the attached
> routers, or both?  If the attached router, any memory of which one?  The
> older BBN (Strasizar) routers were being phased out in 1981 for the new
> BBN (Hinden/Brescia) routers/mailbridges (firewalls).

The IP+ST gateway was implemented by Lincoln Lab on a PDP 11/44, I
think primarily by Willie Kantrowitz.  It communicated with the PSAT
using a host-IMP protocol, the details of which I've forgotten, to
initiate bandwidth reservations on the satellite channel for ST
streams.

                                                        -- Steve

> In message <20060330171145.R98792 at ash.packetdesign.com>, Stephen Casner writes:
>
> >On Thu, 30 Mar 2006, Noel Chiappa wrote:
> >
> >> I'd love to hear about any other multi-protocol router (i.e. a single box
> >> which handled multiple protocols in parallel - so-called "Ships in the Night
>  >"
> >> - *not* wrapping, which was already a common idea, with the X.25 stuff) work
> >> in the '80-'81 timeframe.
> >
> >Does ST (Stream Protocol, identified as 5 in the same bit positions as
> >the IP version) count?  That was done in 1981 for packet speech work
> >on the Wideband Satellite Network.
> >
> >                                                        -- Steve