Date Added: Feb 2010
For years, mainframe computers were considered almost the sole practical alternative for the world's most mission-critical computing environments. They have long claimed the industry's best Reliability, Availability, and Serviceability (RAS). Today, with the HP Superdome, organizations have an alternative that features RAS and availability levels equivalent to mainframes, at approximately one-eighth the Total Cost of Ownership (TCO) over a three-year period. This paper provides a detailed analysis of the availability HP Superdome systems deliver when compared to a recent IBM z10 mainframe - with potentially even more dramatic differences when comparing older mainframe models. It also touches on the superb reliability and serviceability of HP Superdome systems and provides a detailed business case comparing the TCO of the Superdome to a comparable mainframe system.