The service management software market is based on four archetypes: megavendors, with portfolios that cover the whole management market; challengers, who work to build complete solution portfolios; innovators, who introduce new products; and specialists, who take their innovation to the next level in brand and ability to distribute. But this model imploded with the 2008 economic crisis and digital disruptions. This report tells large service management vendors how they can better serve infrastructure and operations (I&O) pros and stay relevant.