The key in time cloud computing is virtualization technology

Virtualization technology is the key technology of cloud computing. One of the main virtual machines currently used in cloud computing Vmwareinfrastructureo its advantages: (1) dynamically shutting down unused servers and running fewer servers, (2) Anshao unplanned and planned outages to improve business continuity, and (3) consolidating servers to reduce IT costs. Virtualization technologies such as Web albums for sharing and storing photos, dynamic management of virtualized storage centers, search engines that serve personalized search requests, virtualization matching and search details, emerging online shops, virtualization online payments, and trading.

What is virtualization? Abstract computing Resources ", this is the Wikipedia definition of virtualization. The following can be said to be the use of virtualization technology. such as middleware weakening or isolating the application software to the operation of the dependence: operating system weakened or isolated the software application environment and hardware platform dependencies. This shows that virtualization technology has long existed.

Computing resources are objects that are virtualized. Traditional single computer resources correspond to the storage, computing and interactive capabilities of computing resources, which is also the 3 main categories. Because of the virtualization of computational resources, computing cannot be regarded as the main body simply.

Software as a service (SaaS), platform as a service (PaaS), infrastructure as a service (IaaS) is the requirement of virtual service (Internet environment). Computing resources (dynamically scalable) allocation, use, and organization are implemented by them. Simple hosting does not implement better intensive use of the server. If the service provider wants to further consolidate the various computing resources, it must implement the virtualization service and turn the server into a "service".

According to statistics, in the server cluster system, its utilization rate is likely to increase to more than 80%, the actual utilization of the server is only 15%, which even directly promote the green calculation and energy-saving emission reduction. The virtualization of computing resources can effectively improve the utilization rate and facilitate the rational allocation of resources.