Software Upgrade Protocol

From Wikipedia, the free encyclopedia
Jump to: navigation, search

The Software Upgrade Protocol (or SUP) System is a set of programs developed by Carnegie Mellon University in the 1980s[1] (as was the Andrew File System). It provides for collections of files to be maintained in identical versions across a number of machines.

It was originally developed under the Mach operating system, but implementations are provided with Debian[2] & Ubuntu[3] Linux distributions.


  1. ^ The SUP Software Upgrade Protocol - Steven Shafer & Mary Thompson, Carnegie Mellon University School of Computer Science, 7 September 1989.
  2. ^ Debian Package: sup (Software Upgrade Protocol implementation)
  3. ^ Ubuntu Package: sup (Software Upgrade Protocol implementation)