Hi Manotosh,
Please find my responses below
1. Can I run just deployment (heuristics/optimiser) without running SNP planning?
Any distribution demand based deployment (pull dep /push strategies that deploy based on demand) needs a demand propagation run like heuristic or a planning run like optimizer. If you are using Push strategies that do not consider demands like (push by quota) you do not need a preceding heuristic run. Deployment optimizer does not need a heuristic run. Real time deployment does not need a heuristic run.
2. Does deployment run change/modify the SNP orders created? If yes, then what are the paramenters that deployment run changes (order date, qty, from/to location etc)? Does deployment run create new/fresh orders also?
There are 3 modes available in deployment (/sapapo/SNP02)
DO NOT CHANGE mode - This is just simulation of deployment results. orders are not created.
REDUCE mode - Heuristic orders are reduced to the extent of orders confirmed by deployment. Unconfirmed heuristic orders are not deleted.
DELETE mode - Unconfirmed heuristic orders are deleted.
Deployment heuristic only confirms heuristic orders ( some exceptions are push deployment wuth push by quots strategy as explianed above). Real time deployment /Deployment optimizer can create fresh orders.
3. What is the difference between deployment heuristics run and deployment optimiser run?
Deployment optimizer works based on costs and tries to generate the cost optimal solution for stock transfers.
It is similar to SNP optimizer but it does not created pur reqs or plnd orders only stock transfers. Dep optimizer does not require a preceding heuristic run.
Dep heuristic does not work based on costs bust based on the actual distribution demand propagated by heuristic and based on target stock reqmt & the pull /push /fairshare strategies...
4. What is the disadvantage to have just SNP planning run and dont have deployment runs?
SNP planning run (heuristic) is un constrained planning, the stock transfers are created to the extent of net requiremetns without considering the stock/capacity avaiablity at source, so it cannot be executed. A process like deployment is required to check how much of the heuristic orders can actually be executed considering executable receipts.
Optimizer does not require deployment as such because it considers available receipts (constrained planning). You can directly execute optimizer results. SOme scenarios you may need Deployment & optimizer runs together.
For example if you take weekly optimizer runs which create /stock transfers planned orders but you want to move stocks every day based on actually completed production. Then you can run deployment every day based on receipts actually available.
Regards,
Ashok
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