Why Manufacturers Absolutely, 100% Need APS (Advanced Planning & Scheduling)

By Dave Snyder

Why does a manufacturing company need an Advanced Scheduling system?  Why isn’t Excel, or the scheduling tool provided by their ERP vendor, sufficient to get the job done?  Mike Liddell, CEO of Lean Scheduling International and author of “The Little Blue Book on Scheduling” has finally formulated a simple explanation to this persistent question.

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This article first appeared on the Siemens Digital Industries Software blog at