Cloud computing is much more than a limitless expanse of servers and software you pay to use over the internet. The cloud has become a metaphor for modern computing itself, where everything is a service – which can connect and combine with other services to meet an infinite number of application needs.
the data center is a building, dedicated space within a building, or a group of buildings used to house computer systems and associated components, such as telecommunications and storage systems.
A voice over Internet Protocol (VoIP) service provider offers VoIP Internet telephony solutions to residential and commercial customers. ... VoIP calls are like regular phone calls but they're made over a broadband high speed Internet connection rather than over a regular telephone line.
