Buffer direction inventory Simulation System Published on August 25, 2016 in Can you tell your Bottleneck from your Inventory?Full resolution (796 × 210) Buffer direction inventory Simulation System Illustration of the simulated system used to determine the relation between inventory and bottleneck direction. This work by Christoph Roser at AllAboutLean.com is licensed under a Creative Commons Attribution-ShareAlike 4.0 International License. Please credit the image as shown below. For digital documents and web pages please do include the links as shown below. Thank you.By Christoph Roser at AllAboutLean.com under the free CC-BY-SA 4.0 license.