Our client, a leading manufacturing company, was more than 3 years into an Industry 4.0 effort to further automate its manufacturing processes and technologies that had given them a leading position in the industry when they were introduced 20 years ago. The planned implementation date for their new application ecosystem, consisting of new eCommerce experience, Engineering and Manufacturing systems, and a multitude of other internal and third-party services, had been pushed back several times, and pressure to launch was high. But in running end-to-end tests, it became clear the system lacked the stability, resilience, and performance it needed, and it was difficult to pinpoint why.