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PO Technical Workshop
for LG ChemicalBased on APO 3.10
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LG Chemical : APO Overview 3
History of Resource Planning Systems: APS Advanced Planning and Scheduling (APS) system features:
Separate system
Own data poolPros:
Optimized data structuresMain memory based planning models
Cons (through dependency on ERP):Two systems, two data poolsData must be downloaded and uploaded by batchesData integrity difficulties through disintegrationNever the current status
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LG Chemical : APO Overview 4
SAP APO System APO is SAPs APS solution
Based on SAP Basis System and mySAP BW
Powerful memory-resident analytical engineSpecialized and configurable data objectsOpen interface to both SAP and non-SAP systems
ModulesDemand Planning (DP)
Supply Network Planning (SNP)Production Planning and Detailed Scheduling (PP/DS)Global Available To Promise (GATP)Transportation Planning and Vehicle Scheduling (TP/VS)Collaborative Planning (CP)Network Design (ND)
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LG Chemical : APO Overview 5
Application and Basis Components of SAP APO
R/3R/3 PI
SAPBW
LegacyOLTP
Non-SAPOLTP
Non-SAPOLTP
Queued RFC (qRFC), Synchronous RFC (sRFC), BAPIModel Generator, mapping, connectivity
APOOptimizers
ProductionPlanningDetailed
Scheduling
DemandPlanning
(uses BW)
VendorManagedInventory
SupplyNetwork
Planning
AvailableTo
Promise
Supply ChainCockpit
Database
with BW techniquesavailable
CapableTo
Match
liv e Cache
APO
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LG Chemical : APO Overview 6
APO Planning Horizon
Supply Network Planning (1-6 month)
Demand Planning (6-24 month)
Production Planning (4-8 weeks)
Detailed Production Scheduling (1 week)
Deployment (1 day)
Planning horizon
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Example: Production Planning in APO (DP)SAP APOSAP OLTP System
Sales InformationSystem (SIS)
Perform MaterialRequirements Planning
(MRP)
Manufacturing /Purchasing
Demand Planning
Data Load into APO DataMart
Execute Consensus Meeting
Release to OLTP or SNP
* Alternative steps, capacity constraint-based planning
Confirmation of Final Forecast
SAP BW
Collaboration PartnerForecast /
Promotion Data
Collection/Distribution
Legacy / Flat File
Extract Data
Update Info cubes
SNP *Constrained Demand Plan
Forecast Accuracy Reporting
Execute Forecast Run
ExecutePromotionPlanning
DetermineRealignmentProcedures
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Data Distribution
A p p
S e
r v e r
Database
D a
t a b a s e
S e r v e r
liveCache
Optimizer
APO
Application
APOApplication
SAPOLTP
Database
PO
APO-CIF
All Master Data(all Fields, R/3 Key)All Transactional Data(all Fields, R/3 Key)
All Planning-Relevant Master Data(Plan.-rel. R/3 & APO Fields without
Texts, GUID)All Planning-Relevant Transactional
Data(Plan.-rel. R/3 & APO Fields, GUID)
APO DB
All Planning-RelevantMaster Data
(all Fields, GUID)All Planning-Relevant
Transactional Data(Texts, GUID)
Mapping of Master and Transactional Data in Anchor Tables(R/3 Key GUID)
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Performance Benefits of live Cache Avoids/reduces disk I/O:
Data is kept in main memory, all operations run in memory
so large data cache necessaryDisk based logging need not be used
Reduces dataflow between application and data management: Application logic runs where the data is, avoiding network load
Reduces runtime of operations on data:
Application logic operates with COM routines on object data faster than SQLcommands on relational data
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