As discussed in the previous section we have two types of network diagrams one is AON (Activity Networks) and other is AOA (Arrow Networks). Below figure ‘Types of Network Diagrams’ shows the classification in a more visual format. CPM / CPA (Critical Path Method / Critical Path Analysis) and PERT (Program Evaluation and Review Technique) come under Arrow networks. PDM (Precedence Diagrams) comes under activity diagram.
Figure: - Types of Network Diagrams
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