Do not understand this obviously you are not professional! Encyclopedia of Cloud Computing terminology

The practical road to cloud computing is long gone, today, the definition of cloud computing is different, cloud computing standards are the way. In this era of cloud computing, the generation of cloud computing terminology is dizzying, the entire IT industry seems to be ushered in a cloud computing terminology explosion era, including the concept of cloud computing itself, there are also about the manufacturer's cloud strategy and cloud products. By combing the existing cloud computing data, this paper lists more than 60 cloud-related terminology and explanations for reference.

1. Cloud Computing

There are at least 20 different definitions of cloud computing, and a more common definition is chosen here:

Cloud computing is a kind of distributed computing technology, its most basic concept, is through the network to automatically split the huge computing process into countless smaller subroutines, and then to a large number of servers composed of the system after the search, calculation and analysis of the processing results back to the user. Through this technology, network service providers can in a few seconds, to deal with tens of millions of millions of information, to achieve the "super computer" and the same powerful network services.

Cloud computing is a resource delivery and usage model that refers to the resources (hardware, platform, software) that are needed to get applications over the network. A network that provides resources is called a "cloud." The resources in the cloud can be extended infinitely by the user and can be obtained at any time. This feature is often likened to using hardware resources like water and electricity, purchased and used on demand.

2. Software as a service (SaaS)

This type of cloud computing passes the program to thousands of users through the browser. This, in the eyes of the user, eliminates the expense of server and software authorization, and from a vendor standpoint, it is sufficient to maintain a single program, which can reduce costs.

3. Platform as service (PaaS)

Platform as a service (Platform as a Service,paas) is a mode of sending operating systems and related services over the Internet without downloading or installing them. Because a platform is a service that can transfer resources from a private computer to a network cloud, it is sometimes called a "cloud" (cloudware). The platform is the service (Software as a service) extension. Software is a service that deploys software as a managed service and is made available to customers over the Internet.

4. Infrastructure as Service (IaaS)

Cloud computing infrastructure is a service that provides customers with rental processing power, storage, networking, and other basic computing resources that enable users to deploy and run arbitrary software, including operating systems and applications. Customers do not manage or control the underlying cloud computing infrastructure, but can control operating systems, storage, deployment applications, and possibly network components (for example, firewalls, load balancers). Amazon pioneered this market, laying the leading role of AWS in the market. And Rackspace, Gogrid, Flexiscale, Gridlayer and other later development momentum is also good.

5. Cloud Storage (Cloud Storage)

Cloud storage is a networked computer data storage model, which is stored on multiple virtual hosts and is typically held by third parties rather than on dedicated servers. Maintain the data of the company operation of this huge data center, and users who need to purchase or lease storage capacity. The data center operators behind them virtualize resources based on customer needs and present them as virtual servers to users who can manage the virtual servers themselves. Physically, these resources may span multiple servers.

6. Private Cloud

Private cloud is built for use by a single customer and provides the most effective control over data, security, and quality of service. The company has infrastructure and can control how applications are deployed on this infrastructure. Private clouds can be deployed within the firewall of the Enterprise data center, or they can be deployed in a secure hosting site.

Private cloud can be built by the company's own IT organization, or by the cloud provider. In this managed-for-private mode, cloud providers such as Sun and IBM can install, configure, and operate the infrastructure to support a dedicated cloud within a corporate data center. This pattern gives the company a very high level of control over the use of cloud resources, along with the expertise needed to build and operate the environment.

7. Public Cloud (Cloud)

The public cloud, also known as the external cloud, refers to the dynamic and flexible way to obtain resources through the Internet.

8. Hybrid Cloud (Hybrid cloud)

The hybrid cloud environment contains a variety of internal cloud and/or external clouds that "will apply to most enterprises" because the integration of multiple cloud service users reduces the problem of migrating to the public cloud, such as PCI compliance.

9. Community Cloud (Community Cloud)

A community cloud is a cloud created by organizations with similar needs and plans to share infrastructure, and the community cloud aims to achieve some of the benefits of cloud computing. Because the number of users of common costs is less than that of public cloud, this choice is often more than public yungui, but privacy security, full and policy compliance are higher than the public cloud.

The Intercloud (Yunteiyun)

Yunteiyun's concept was first introduced in 2007 by Kevin Kelly, who believes that there will eventually be a cloud of clouds, the Yunteiyun. The concept of Yunteiyun is an extension of the concept of Internet Internet, the concept of Yunteiyun became popular in the 2009, and also used to describe future data centers.

The concept of Yunteiyun is based on the idea that a single cloud cannot include wireless resources, just imagine that if a cloud includes all of the virtual infrastructure resources, including computing and storage resources, it will not be able to meet the need for further allocation of services sent by customers. Yunteiyun is used to solve such problems, in fact, each cloud can use virtual infrastructure on other clouds, including computing and storage resources. This "pay for use" format creates new opportunities for cloud vendors. Of course, Yunteiyun also has many challenges, such as cloud syndication, security, interoperability, QoS, regulation, and billing.

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