Chapter 1. NFS Version 4 overview 5
allowed NFS V2 to read or write more than 4 K bytes at a time; others increased
the number of groups provided as part of the RPC authentication from 8 to 16.
These minor changes created occasional incompatibilities between different NFS
implementations; however, the protocol continued to provide an exceptional
degree of compatibility between systems made by different vendors.
The NFS V3 specification was developed during July 1992. Working code for
NFS V3 was introduced by some vendors in 1995 and was made widely available
in 1996. Version 3 incorporated many performance improvements over Version 2
but did not significantly change the way that NFS worked or the security model
used by the network file sys ...