Pay-as-you-use model. This model provides available, convenient, on-demand network access into configurable shared pools of resources such as networks, servers, storage, applications, and service computing, which can be quickly provided with little

management effort or interaction with service providers. Distributed computing, parallel computing, utility computing, network storage, virtualization, load balancing, hot backup redundancy and other traditional computer and network technology development integration product, is a new business computing model.