JMF

CIP4 (The International Cooperation for the Integration of Processes in Prepress, Press and Postpress) is responsible for administering both the Job Definition Specification (JDF) and the Job Messaging Format  (JMF).  JMF is based on JDF and is included within the JDF specification, even though it has its own acronym.

JMF provides a wide range of capabilities to facilitate interaction between the various aspects of a workflow for print jobs, from simple unidirectional notification through the issuing of direct commands. JMF messages are most often encoded in pure XML, without an additional MIME/Multipart wrapper..."