types of network diagram
A network diagram is a graphical representation of activities with their relationships. A network diagram is used to develop a schedule and to do schedule calculations to determine critical and near critical paths. There are basically two types of network diagrams that are used in developing a schedule. 1  Arrow Network or AoA (Activity on Arrow) or ADM (Arrow Diagramming Method)  Node Network or AoN (Activity or Node) or PDM (Precedence Diagramming Method)