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Saturday, April 10, 2010

Lesson 17a: The Network Diagram

In this series of lessons the Network Logic Diagram will be discussed, and animation slides provided to show how this important project management tool is created. First however, here is an overview of the Network Logic Diagram:
  • Just a quick reminder that the WBS, is a decomposition of the final deliverable, to sub-deliverables to activities/tasks. This constitutes the scope of work to be done and deviations from this should mandated properly to prevent scope creep
  • Whereas the WBS tells us what work needs to be done to generate deliverables, the Network Diagram tells is what activities should be finished before other activities can start
  • Remember that two things can basically determine what should be finished before something else can start i.e. the nature of the tasks we are busy with (in which case we refer to it as a logical or technical constraint) and other other factors, where our in our own discretion we decide that something must finish before something else should start (for example we want to ensure resources are utilized optimally)
  • Also remember that the Network Diagram is a relationship diagram. We create relationships between tasks, and thereby indicate which tasks are the predecessors of one or more tasks. We also refer to these relationships as dependencies, because by creating the relationships we construct a coherent network where each task is somehow dependent on tasks preceding and following in the total network
CLICK AND PLAY FLASH ANIMATION FOR VISUAL EXPLANATION:









Read more: http://www.whitehatandroid.com/2009/10/flash-blogger-embedd-upload-swf.html#ixzz0kmoPYpJv
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