SCM Technology

Recently I have had some events that again have me wondering why companies continually trust their complex, high volume distribution operations to ERP-based WMS Warehouse Management Systems. Allow me to describe these events…

1. I spoke with a large HighJump Software customer who told me the CIO had been pushing for a global deployment of an ERP system across all functions including distribution operations, but had been stalled by business owners who were concerned about the distraction and cost relative to the value.
2. I spoke with a prospective HighJump customer who has spent millions of dollars and multiple years attempting to implement an ERP based inventory WMS system. They have finally conceded that their distribution operations are too complex for an ERP solution and are turning to a best of breed solution.
3. I attended a panel discussion of users of an ERP based WMS Warehouse Management System. Presumably, these were the “flagship” customers because the panel was chosen by the ERP vendor. Customers openly complained about the performance of the system which they attributed to an inventory model that was not suited for distribution operations and a transactional model that was financially-focused rather than distribution-focused.

I would urge anyone considering the implementation of an ERP based WMS Warehouse Management System to consider these factors before finalizing their strategy to move forward with an ERP based WMS Warehouse Management System provider.

The Integration Myth

It is commonly perceived that integration between a WMS Warehouse Management System and other business systems will be easier if both systems are packaged as a suite. The truth is that most ERP WMS solutions have an API-based interface between the WMS Warehouse Management System and the rest of the business applications. In many cases best of breed WMS Warehouse Management Systems have packaged integrations that utilize the same API-based interface as the ERP WMS. While many of the ERP interfaces are “hard coded,” a best of breed WMS Warehouse Management System often provides integration tools (like HighJump Software’s Advantage Link module) which allow data mappings to change based on specific business requirements. It is important to understand the details of the interface approach before assuming that cost will be less and functionality will be greater with a “suite” solution.

The Transaction Models Are Different

During my time as a consultant, I implemented ERP systems and best of breed supply chain systems. There is a fundamental difference in how these systems are architected. Supply chain systems start with a practitioner’s view of the business problem. Screens and workflows are suited toward the needs of people who are supply chain professionals. ERP systems have an accountant’s view of the business problem. Nearly all transactions that occur in an ERP solution tie to a general ledger transaction. Often this accounting-centric view results in business processes that are not optimized for the supply chain.  

For more information on Best of Breed vs. ERP WMS, please read HighJump Software's Special Report on the topic.