RELATIONSHIPS OF FRAGNETS TO NASA PROJECT NETWORK

NASA PERT and Companion Cost System Handbook, Director of Management Reports, NASA, 1962

In large projects, it becomes physically impractical to show the total NASA project on one piece of paper and it is broken down into several smaller portions called "fragnets" (see [figure at right]) which are derived from the work breakdown structure as described in Section III. These fragnets are interconnected in such a way that data can be processed through the computer separately for each fragnet, for groups of fragnets representing a particular contractor's efforts or as a total