WebSphere Process Server (WPS) is a high-performance business process engine developed by IBM to execute, monitor, and optimize critical business processes with transactional integrity. It serves as a cornerstone for , allowing organizations to orchestrate disparate services—such as financial payments, insurance claims, and supply chain tasks—into a unified, automated workflow. Core Architecture and Foundation

WebSphere Process Server distinguished itself through a suite of specialized components designed to handle specific integration challenges. The most prominent among these was the Business Process Choreographer (BPC). This engine managed the execution of business processes defined using the Business Process Execution Language (BPEL). BPEL allowed organizations to define complex workflows—such as an order fulfillment process that involved checking inventory, processing payments, and shipping—that could span multiple systems and even multiple organizations.