[TUHS] NFS aka the guy who brought up SVr4 on Sun machines

arnold at skeeve.com arnold at skeeve.com
Wed Jan 11 13:40:00 AEST 2017

Mary Ann Horton <mah at mhorton.net> wrote:

> As I recall, RFS was implemented over virtual circuits, whereas NFS was 
> over datagrams (UDP).  RFS was well suited to Datakit, which only did 
> virtual circuits, and they often were used together inside Bell Labs.  
> One of the reasons NFS won is that IP won over Datakit.

I think another reason is that AT&T got a lot more, er, "difficult"
about its licensing come SVR3, which introduced RFS. Many of the major
UNIX vendors (IBM, DEC, HP) didn't bother to license it. As most of them
already had NFS, it wasn't worth the trouble.

SunOS 4.0 had RFS. I think early versions of 4.1 did, but I'm pretty
sure that by 4.1.3 SunOS had removed it.


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