IBM mainframes house some of the most strategic, high-volume, complex applications on the planet. They represent decades of investment in hardware and software for many companies and are not easily replaced with newer computing architectures. Long the workhorse of computing around the world, IBM has invested billions of dollars in evolving these platforms to meet the demands of modern workloads. Despite these investments and unparalleled heritage, many customers do choose to move to Windows, Unix or Linux environments. However, for those organizations needing thousands or tens of thousands of MIPS installed, the IBM mainframe can be utilized well into the next decade.