As was suggested on the list, I’ve reached out to Peter
Weinberger to better
understand the time line of the File System Switch and the 8th edition network
f>ile system.
'Introduced with System V Release 3.0, the File System Switch (FSS) architecture
introduced a framework under which multiple different filesystem types could coexist in
parallel.'
https://www.oreilly.com/library/view/unix-filesystems-evolution/97804714567…