# InventoryDistanceBasedSourceSelection module The `InventoryDistanceBasedSourceSelection` module implements logic for distance based source selection This module is part of the new inventory infrastructure. The [Inventory Management overview](https://devdocs.magento.com/guides/v2.3/inventory/index.html) describes the MSI (Multi-Source Inventory) project in more detail. ## Installation details This module is installed as part of Magento Open Source. ## Extension points and service contracts All public interfaces related to this module are located in the `InventoryDistanceBasedSourceSelectionApi` module. Use the interfaces defined in `InventoryDistanceBasedSourceSelectionApi` to extend this module.