IDC's Hosting Infrastructure Services examines the dynamics of a rapidly evolving market that has moved far beyond its origins as "Web hosting." Distinctions between public Web sites/applications and corporate IT business functions continue to blur, and outsourced infrastructure now takes many forms — from colocation to cloud. Businesses continue to look to hosting infrastructure services as a more flexible and optimization-oriented approach to "big IT" issues (enterprise datacenter/IT consolidation and extended enterprise enablement) and as a tactical solution for specific needs such as Web sites, digital media delivery, and distributed enterprise applications. As cloud-based IT infrastructure models gain momentum, hosting providers are incorporating cloud options and architecture principles into their business strategies. IDC's Hosting Infrastructure Services research keeps clients informed of the market and end-user trends, technology developments, and shifts in the service provider landscape (particularly the impact of "cloud native" challengers.