Patent ID: 7689717

Claim:
A rendering method comprising: receiving a plurality of control files at a rendering server, the plurality of control files sent from a computer workstation, the control files relating to a rendering request from the computer workstation and including identifiers of rendering resources currently available at the computer workstation that are required to perform a rendering task, wherein the rendering server is configured to perform the rendering task; sending a set of invalid resource file identifiers from the rendering server to the computer workstation, wherein the set of invalid resource file identifiers is based on a comparison of the identifiers of rendering resources received from the computer workstation with identifiers of rendering files currently available at the rendering server; receiving selected rendering resource files at the rendering server sent by the computer workstation in response to having sent the invalid resource file identifiers from the rendering server, the rendering resource files corresponding to the invalid resource file identifiers; and sending rendered frames from the rendering server to the computer workstation.