ATP Inventory Model
ATP inventory consists of on-hand inventory (inventory operations, that includes check, allocation, and reverse) minus reserved inventory and inventory allocated for backorders. ATP inventory is the inventory that is available to fulfill orders. The ATP support enables us to allocate stock from existing inventory or backorder from expected inventory. we can also obtain an estimated availability time for each order item once it has been added into the shopping cart. The ATP also supports allocating stocks for future order processing.
STORE.INVENTORYSYSTEM = -1 for this model
Non-ATP inventory consists of inventory operations, which include check, allocation, and reverse operations that are only based on existing on-hand inventory. INVENTORY table is when ATP inventory is not enabled and it stores the quantity amount representing the inventory for a particular CatalogEntry.
STORE.ALLOCATIONGOODFOR, defines the expiration time of the inventory allocation
STORE.INVENTORYSYSTEM = -2 for this model
The following commands are Non-ATP task commands for WebSphere Commerce:
No-Inventory Model
This model assumes that all products have infinite quantities. When the products in a store are virtual products, digital downloadable products, or electronic assets, such as downloadable images or music, this model can be used.
All products have unlimited available quantities. Any check of inventory always returns a positive result.
Hence, all order items are successfully allocated after an 'allocate inventory' operation. So, ORDERITEMS.INVENTORYSTATUS = 'ALLC'. It does not support RTF (Release to Fulfillment), Pick batch, and Ship Confirmation. Order management functions can be supported by custom integration with an existing order management system.
STORE.INVENTORYSYSTEM = -3 for this model
External Inventory
External inventory is used to integrate WebSphere Commerce with external inventory systems. It is the legacy inventory implementation model where WebSphere Commerce directly consumes the inventory information from an external system. This model does not support the use of the local inventory cache.
STORE.INVENTORYSYSTEM = -4 for this model
DOM inventory system
It is used for WebSphere Commerce distributed order management integration. In this model WebSphere Commerce calls outbound services to allocate inventory externally. Integration with Sterling Order Management is based on the DOM inventory model. This model supports the local inventory cache in WebSphere Commerce.
STORE.INVENTORYSYSTEM = -5 for this model
Click to know the comparison about ATP and Non-ATP Inventory Model.
ATP inventory consists of on-hand inventory (inventory operations, that includes check, allocation, and reverse) minus reserved inventory and inventory allocated for backorders. ATP inventory is the inventory that is available to fulfill orders. The ATP support enables us to allocate stock from existing inventory or backorder from expected inventory. we can also obtain an estimated availability time for each order item once it has been added into the shopping cart. The ATP also supports allocating stocks for future order processing.
STORE.INVENTORYSYSTEM = -1 for this model
The following commands are ATP task commands for WebSphere Commerce:
- AllocateInventory
- GetEligibleFulfillmentCenters
- CheckInventoryAvailability
- AllocateExistingInventory
- DeallocateExistingInventory
- AllocateExpectedInventory
- DeallocateExpectedInventory
- ReserveInventory
- AdjustInventoryReservation
- ManageInventoryCmd
- DoInventoryActionCmd
Non-ATP inventory consists of inventory operations, which include check, allocation, and reverse operations that are only based on existing on-hand inventory. INVENTORY table is when ATP inventory is not enabled and it stores the quantity amount representing the inventory for a particular CatalogEntry.
STORE.ALLOCATIONGOODFOR, defines the expiration time of the inventory allocation
STORE.INVENTORYSYSTEM = -2 for this model
The following commands are Non-ATP task commands for WebSphere Commerce:
- ResolveFullmentCenterCmd
- CheckInventoryCmd
- UpdateInventoryCmd
- ReverseUpdateInventoryCmd
No-Inventory Model
This model assumes that all products have infinite quantities. When the products in a store are virtual products, digital downloadable products, or electronic assets, such as downloadable images or music, this model can be used.
All products have unlimited available quantities. Any check of inventory always returns a positive result.
Hence, all order items are successfully allocated after an 'allocate inventory' operation. So, ORDERITEMS.INVENTORYSTATUS = 'ALLC'. It does not support RTF (Release to Fulfillment), Pick batch, and Ship Confirmation. Order management functions can be supported by custom integration with an existing order management system.
STORE.INVENTORYSYSTEM = -3 for this model
External Inventory
External inventory is used to integrate WebSphere Commerce with external inventory systems. It is the legacy inventory implementation model where WebSphere Commerce directly consumes the inventory information from an external system. This model does not support the use of the local inventory cache.
STORE.INVENTORYSYSTEM = -4 for this model
DOM inventory system
It is used for WebSphere Commerce distributed order management integration. In this model WebSphere Commerce calls outbound services to allocate inventory externally. Integration with Sterling Order Management is based on the DOM inventory model. This model supports the local inventory cache in WebSphere Commerce.
STORE.INVENTORYSYSTEM = -5 for this model
Click to know the comparison about ATP and Non-ATP Inventory Model.
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This article provides a clear and insightful comparison of ATP (Available-to-Promise) and non-ATP inventory data models. Understanding these models is crucial for efficient inventory management, and this post does an excellent job of breaking down the key differences.
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