Establishing a model that works across enterprise IT – including mainframe systems The solutions and methodologies tackling business challenges are constantly evolving. From waterfall to agile and on to continuous integration and DevOps, successful software development is about achieving the improved efficiencies needed to meet ever-growing business requirements. DevOps - a blend of Development and Operations - is not a straightforward fit for the mainframe environment. But change is required if enterprises are going to match more agile operations in meeting efficiency targets against a background of increasing application complexity.