Presentation given to the Object Management Group's MARS Task Force in September, 2010 about a proposal to improve the Java API for the OMG's Data Distribution Service (DDS). See also http://code.google.com/p/datadistrib4j/. This presentation is obsoleted by a later one: http://www.slideshare.net/rickbwarren/java-psm-revisedsubmission2presentationmars20101222.