Hi Prasad,
SNP basically does rough cut capacity planning on a constrained or unconstraint situation whereas PPDS does time continous finite capacity based on constraint or unconstaint situation.
SNP & PPDS works on horizons. There are scenarios were SNP horizon can overlap with PPDS horizon.
SNP uses SNP PPM as master data whereas PPDS PPM as master data. The output are SNP orders and PPDS orders.
The minimum day for SNP planning is 1 day whereas PPDS can go upto even 1 sec(ie microscopic planning)
Starting from a demand plan, Supply Network Planning determines a permissible short- to medium-term plan for fulfilling the estimated sales volumes. This plan covers both the quantities that must be transported between two locations (for example, distribution center to customer or production plant to distribution center), and the quantities to be produced and procured. When making a recommendation, Supply Network Planning compares all logistical activities to the available capacity
We use the Production Planning and Detailed Scheduling (PP/DS) component
a) To create procurement proposals for in-house production or external procurement to cover product requirements
b) To optimize and plan the resource schedule and the order dates/times in detail
Regards
R. Senthil Mareeswaran.
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