SNP, Demand, Transportation And Production Planner

What are SNP planner, Demand planner, Transportation planner and production planner? 
 
What is live-cache?
 
Answer:
 
APO consists of several "modules" or different types of planning, for example demand planning (DP), supply network planning (SNP), production planning (PP/DS) and transportation planning (TP/VS).
 
When you implement APO you may utilise several of these planning functions in your overall requirements. The different planner codes allow you to segregate the responsibility for the different planning functions to different users or groups of users for the same objects (e.g. products or resources).
 
When you run certain transactions or reports you can then limit the selection to those objects that are the responsibility of that planner.
 
SNP planner, Demand planner, Transportation planner and production planner are codes that can be assigned to the location-product master and then can be used as selection criteria in respective modules. If you have MRP Controller - it is suggested to create the same code in APO as Production Planner before doing CIF transfer of the product from R/3 or ECC.
 
It is part of the admin data for the product master data. The fields on the Administrator tab page are fields that must be released in Customizing before they become available. 
 
In Customizing, choose Advanced Planner and Optimizer (APO) ->Master Data -> Maintain Freely-Definable Attributes. 

You maintain planners in Customizing via Advanced Planner and Optimizer (APO) -> Supply Chain Planning -> Specify Person Responsible (Planner)
 
 
Live-cache is a memory resident database. For performance reasons, memory resident database is essential for APO.
 
Livecache is defined as an Object Oriented RDBMS based on SAP DB technology. It is the core of APO where all transaction data is stored. Data is accessed using compiled COM routines resulting in very fast response. 
 
Live cache for simplicity sake is like what your RAM is in your computer. Its objective is to increase the speed of the algorithmically complex, data- and runtime-intensive functions. on the fly calculations are better done if the relevant data is in a place that is easier to access than data base table structures.
 
"The application functions are provided by database procedures (liveCache Applications) having an extremely fast access to all application data which can completely cached in main-memory and are organized in relational but mainly object oriented manner. The SAP liveCache technology can be characterized by a hybrid main-memory database with intensive usage of database procedure."

SAP Books
SAP APO Books  - Certification, Interview Questions and Configuration

SAP APO Tips
SAP APO Tips and SAP Advanced Planner/Optimizer Discussion Forum

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SAP Basis, ABAP Programming and Other IMG Stuff
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