What is cloud computing? What is big data? What is the connection between the two?

Cloud computing is an Internet-based model for the addition, use, and delivery of related services, often involving the provision of dynamically scalable and often virtualized resources over the Internet. Cloud is a metaphor for the network and the Internet. In the past, the cloud was often used to represent the telecommunication network in the diagram, and later it was also used to represent the abstraction of the Internet and the underlying infrastructure. In a narrow sense, cloud computing refers to the delivery and use mode of IT infrastructure, which refers to obtaining the required resources in an on-demand and easily scalable manner through the network; in a broad sense, cloud computing refers to the delivery and use mode of services, which refers to on-demand and easily scalable services through the network. way to obtain the required services. Such services can be IT and software, Internet-related, or other services. It means that computing power can also be circulated as a commodity over the Internet.

Big data (big data), or huge amount of data, refers to the amount of data involved that is too large to be captured, managed, processed, and organized within a reasonable time through current mainstream software tools to help enterprises operate. Information for more positive purposes of decision-making. The 4V characteristics of big data: Volume, Velocity, Variety, Veracity.