Apple Qmaster

Apple Qmaster is a system made by Apple Inc. that provides automated work distribution and processing for high-volume projects created with certain digital visual effects software packages: Shake, Autodesk Maya, Final Cut Pro, Compressor, DVD Studio Pro and any UNIX command-line program. It processes such jobs on a cluster of Mac or Xserve computers.
History.
Qmaster was introduced as part of Shake 3, to complement the Rendezvous (now Bonjour) networking technology. It was later available with Shake and as part of DVD Studio Pro (until those products were discontinued in 2011), and is now available exclusively with Compressor.