Define the decision boundary
Follow one representative order and identify which system allocates inventory, which releases retrieval and which confirms arrival. WMS should not be a generic name for every warehouse screen. A WCS does not replace an inventory policy. Write down ownership of reservations, cancellation, shortages and completion. Suppliers may divide these responsibilities differently; the project needs one agreed map. If a pallet enters a buffer, ask when its inventory location changes. If its destination becomes unavailable, ask who chooses an alternative. These are requirements to establish, not claims that a particular product already implements them.
Specify a complete task handshake
An interface should identify the task, load, source, destination and permitted status transitions. Distinguish accepted, started, physically completed and failed. A repeated message must not create a second physical movement. Review how a delayed acknowledgement is investigated when the physical load has already moved. A planned acceptance sequence can cover a blocked transfer, unavailable destination and cancellation before movement. Record the expected inventory and equipment states for each case. The exact scenarios and responsibilities require project agreement; a successful command alone is not evidence of complete integration.
Design recovery for operators
When work stops halfway, an operator needs to know the load location, completed movement and safe next action. An error code alone leaves the practical decision unresolved. Discuss how a supervisor inspects the physical state, obtains maintenance input and authorises continuation. Review access permissions, manual moves and reconciliation with the upstream system. Do not treat every fault as a retry: the original movement may have completed. Recovery must reconcile software and physical states without bypassing equipment safety. The procedure depends on the equipment and site risk review.
Compare boundaries, not software labels
Request a system diagram and concrete task sequence when comparing proposals. Establish what stays in the existing ERP or WMS and what the proposed WCS adds. Separate standard functions from project-specific interfaces. Include commissioning, exception testing, documentation and future changes in the scope comparison. CoreLogis starts with the operating process and solution architecture. The requirements-led architecture is not restricted to one partner’s products. The contract should identify who supplies and maintains each boundary. CoreLogis defines throughput, inventory accuracy and continuity requirements within the project-specific acceptance basis, with test scenarios for the relevant interfaces.