ERP Planning - The Old Way

Available - to-

Promise

MPS

Corporate

Forecast

MRP

CRP

Detailed

Scheduling

Plant

Distribution Centers

DRP

Demand

• Batch Processing– weekends or overnight at best
  • Manage between - Manage by exception. “Nervousness”

• Single Resource Models. MRP, CRP, etc.

• Linear Process

• No Simulation Capabilities

• Push vs. Pull

• Requires multiple iterations between multiple planners
  • Quality of plan hinges on planners guessing well

• MRP/ERP Planning Process is 25 years old

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