The three major pain points of traditional IT architecture:
an on-line enterprise business slow, long and complex life cycle
2 Tco the high cost of
3 performance of critical applications subject to the IO bottleneck
The birth of cloud services to solve the pain points of traditional IT infrastructure
cloud services: Internet, cloud computing resources through a series of service
What is cloud computing it?
Definition of cloud computing -NIST: Cloud computing is a model that can be implemented at any time, easily, on-demand computing resources from a shared pool of configurable access to resources needed resources to quickly supply and release, the management interaction with a service provider workload and resources is reduced to a minimum. Such as: network, storage, server, and application resources can quickly supply and release
The characteristics of cloud computing
cloud computing features: a demand self-service
two extensive network access
three resource pools of
four fast elastically stretchable
five measurable service
