Jacques Le Roux commented on OFBIZ-7355:

Hi Swapnil,

Is there a wiki page for that ? Is it worth it ? I guess so.

> OFBIZ-6964: Document finalized business requirements to support replenishment 
> planning through any inter-company facility
> -------------------------------------------------------------------------------------------------------------------------
>                 Key: OFBIZ-7355
>                 URL: https://issues.apache.org/jira/browse/OFBIZ-7355
>             Project: OFBiz
>          Issue Type: Sub-task
>          Components: manufacturing, order, product
>    Affects Versions: 15.12.01
>            Reporter: Swapnil Shah
>            Assignee: Swapnil Shah
>         Attachments: screenshot-1.png
> Here are the most common set of business requirement to support product level 
> replenishment within a given facility(store/warehouse) via any inter-company 
> facility (preferred warehouse/stocking facility) before raising the purchase 
> order from an outside vendors/suppliers.
> In current standard OFbiz workflow there are essentially two basic types of 
> material requirements generated at product-facility level. Both of these can 
> be created manually or could be suggested by MRP engine:
> * First, is "Product Requirement" which suggests that the given product is 
> going to be low or out of stock within any given facility in a given time 
> frame based on upstream demand signals within the supply chain and hence can 
> more commonly be treated as Purchase Requirement that need to be eventually 
> transformed as Purchase Orders to be raised from a given vendor/supplier
> * Second, is "Internal Requirement" which suggests that the given product is 
> going to be low or out of stock within any given facility in a given time 
> frame based on upstream demand within the supply chain. But such products can 
> be internally manufactured(produced) and hence can more commonly be treated 
> as Production Requirement that need to be eventually transformed as 
> Production Order (Production Run).
> *Gap*
> Currently the OFbiz planning algorithm (aka MRP) generate the requirement by 
> only considering the supply available within the given facility. But there is 
> no planning logic built into the system which can support and look up the 
> supply availability in a complex supply chain setup where business could be 
> run using multiple facilities spread geographically. A more common examples 
> could be brick and mortar retail stores chain having multiple stores spread 
> across geographically. Or any manufacturing business that own multiple 
> production facilities and warehouse spread across geographically. 
> *Requirement*
> There are many instances, where material visibility in a multi-facility setup 
> within an organization or company is not very accurately gauged. We would 
> need to start building an intelligent planning system that could gauge such 
> material availability across facilities and honor them while furnishing the 
> requirements around any product within any given facility. 
> Let's consider following use case (Please refer to attached screenshot for 
> reference)
> !screenshot-1.png|width=800px!
> :
> * A retail chain has multiple stores and say a given physical store 
> 'Store_01' and is strategically located near two warehouse in the region say 
> Whse_01 & Whse_02, 
> * One centralized warehouse(Main/buffer) say 'Backup_Whse' that supplies 
> material to all the stores and regional warehouse 
> * Any retails store e.g. Store_01 shouldn't raise purchase order from any 
> outside vendor directly.
> * As Store_01 is strategically located near Whse_01 & Whse_02, so system 
> should always suggest to replenish any product shortfall by first looking up 
> and pulling up available supply from Whse_01 & Whse_02 and then from 
> Backup_Whse in that order of priority.
> * Banckup_Whse mostly works on push system and supplies the products to all 
> regional warehouse and physical stores.
> Now we could design an OFbiz based replenishment planning that :
> * Could allow to associate and rank the facilities(physical store/warehouse) 
> that could replenish the material at any other facility (physical 
> store/warehouse)
> * Could suggest the "*Transfer Requirement*" by gauging the product shortfall 
> within any given facility product-facility at any given point of time by
> * Could allow to configure and manage the setting at facility(ProductStore or 
> ProductFacility) level, to let planning engine know whether given facility 
> could replenish stock via Transfer Requirement from any other facility. If 
> not then it could take normal route of replenishment via Purchase Order or 
> Production Order route.

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