Having multiple servers hosting the same content for better resource utilization. Clustered servers are a perfect solution for high-availability dedicated hosting, or creating a scalable web hosting solution. A cluster may separate web serving from database hosting capability. (Usually web hosts use clustered hosting for their shared hosting plans, as there are multiple benefits to the mass managing of clients).
Hosted contact center infrastructure solutions are steadily gaining ground in enterprises of all sizes and in a variety of public and corporate verticals, reaching unprecedented levels of customer satisfaction because of the minimal cash outlay required, quick deployments, rapid and quantifiable return on investment, scalability and agility, ongoing investment protection, a reduced maintenance burden, and the opportunity to "try before you buy."