Discretionary Dependencies

Can someone please explain me with some examples if possible to help understand this statement " Discretionary Dependencies can limit later scheduling options since they can create arbitrary total float values hence should be fully documented."


Thanks

"A discretionary dependency is one that isn't based on a "have to", but on a "should". These decisions are usually based upon best practices, business knowledge, etc. They are placed on the project diagram where the team members would like them to occur.

Since discretionary dependencies are more arbitrary, they should be fully documented so the reasons for their placement can be maintained and available during future revisions. As a project progresses and adjustments are needed, discretionary dependencies are often reviewed for possible alterations."

http://forums.oreilly.com/topic/49556-pmp-exam-tip-what-is-the-differenc...

Thanks so much... this was really helpful !!


 

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To know more about Dependency, you can read this article:
https://www.pmbypm.com/4-types-of-project-dependencies/

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