I don't remember doing anything with low-level networking in Medley or
predecessors at Savoir, but it's plausible John Sybalsky did, as
suggested by the filename.

None of the Savoir stuff is online in any place that I'm aware of.  I
have a box of backup tapes from that era, which might be interesting.  I
even found a matching QIC-150 tape drive in the garage, but I didn't
find the SCSI cables, terminators, interface card, etc. that would be
needed to connect it to a modern machine, and they don't appear to be
available.