Dynamic Workload Release Orchestration In Enterprise Warehouse Operations: A Configurable EWM-WCS Integration Model For Operation Horizon Control

Abstract

Uncontrolled release of Warehouse Orders to downstream sorting and picking infrastructure generates lane congestion, sorter throughput loss, and sustained labour overhead in high-velocity distribution environments. This article presents a dual-mode workload release architecture implemented within SAP Extended Warehouse Management (EWM) integrated with a Warehouse Control System (WCS). The architecture introduces an Operation Horizon parameter — a configurable 2–4 hour forward-planning window — as the primary criterion governing which Warehouse Orders are forwarded to the WCS for physical execution. Two release paths are provided: a manual path through a custom WH Monitor node for exception-driven planner control, and an automatic path through a DIVC-triggered batch report for systematic unattended release. All operational parameters are externalised to a maintainable custom control table (ZWORKLOAD_CTRL), enabling warehouse managers to adjust horizon values and release modes without ABAP development involvement. Deployed at a large US healthcare product distributor, the architecture reduced average lane queue depth by 75%, eliminated sorter idle spikes, increased peak-hour picks per operator-hour by 18%, and delivered an annual efficiency gain of USD 650,000 (Author's primary implementation data, 2023). The contribution is a documented design pattern — configurable horizon-gated dual-mode release — applicable to any EWM site with WCS sorter integration, supported by primary enterprise deployment evidence.