Please refer to the new site :-
http://www.sap-basis-abap.com/sappp01.htm

The main function of SAP Material Requirements Planning is to guarantee material availability, it is used to procure or produce the requirement quantities on time both for internal purposes and for sales and distribution. This process involves the monitoring of stocks and, in particular, the automatic creation of procurement proposals for purchasing and production. 

Table of Contents
MRP
Difference between MRP type manual reorder point and automatic reorder
Main difference between the MRP type PD and MPS type M0
Storage Location included/excluded from MRP
Planned Independant Requirement included/excluded in MRP run
Excluding/Including Safety Stock on Stock Requirements List
MD02 - Run MRP Single item Multi level
Batch Input for MD02
Shortage/Surplus of material stock level due to differences in Planned/Production Order Start and Finish date
Subcontracting upgrade 3.0/3.1 to 4.x
Quota Arrangement for Multi Plant Purhasing
Planning Strategy
Number Range by Plants during MRP Run
Mass change MRP indicator
Connecting the planning calendar to your lot size key
MRP, timing of purchase requests

SAP SOP
Sales, Operation and Planning (Info Structure S076)