Cloud computing decade gone through agitation, can be described as overwhelming, trials and hardships. It is so great and rich, though not enough to track its twelve million words. Chengtiandaowan are talking about the cloud, in the end what is cloud computing? Wikipedia, cloud computing is configurable shared pool of computing resources and a higher level of service, it can be configured quickly (generally used the Internet) with minimal management; in Baidu Wikipedia, cloud computing is Internet-based related services increase the use and delivery models ...... non-professionals is difficult to understand, basic reading a word to slip.
In fact, you can be understood as cloud computing resource sharing pool. For example is, I have a lot of things, the family does not fit, into a specific place aside, ready to extract, others can not touch, quality and quantity. "Something" generally refers to data, software, services, and "specific place" is the cloud. Below one thousand front for everyone to talk about what are the model of cloud computing:
There are four kinds of cloud computing deployment models, namely the private cloud, community cloud, public cloud and hybrid cloud, which is divided according to source cloud computing services consumers, namely:
If a cloud all consumers from only a specific unit of organization (such as microcomputer technology companies), then it is a private cloud.
If a cloud all consumers from two or more units of a particular organization, it is the community cloud.
If a cloud all consumers from the public, then it is a public cloud.
If a cloud resource from two or more clouds, then that is a hybrid cloud.
Currently the vast majority of hybrid cloud is dominated by enterprises to private cloud as the main body, and the integration of some public cloud resources, that is, hybrid cloud consumers primarily from one or several specific organizational units.
Private Cloud
The core features of a private cloud is a cloud resources only for employees in enterprises and institutions use other people and institutions have the right to lease and use of cloud computing resources. As for cloud deployment where, who owns the title, who is responsible for the daily management, not strict rules. Private cloud deployments There are two possibilities, one deployed within your organization (such as a computer room), called the local private cloud; the second is hosted elsewhere (such as Ali cloud), known as managed private cloud.
Enterprise Private Cloud Office is now used by many large and medium units of the organization, replacing the traditional office computer with a cloud terminal, all programs and data in the cloud, and create a cloud account login, account for each employee and employee-one correspondence, phase than the traditional office computer has the following advantages:
Employees can log in any cloud terminal and office, enabling mobile office. Help protect the company's documentation. Easy maintenance. Terminal is a pure hardware, maintenance-free, as long as you can maintain good cloud. lower the cost. Low purchase price, low cost, long life terminal, reduce software license costs. High stability. For centralized monitoring and cloud deployment, easier to monitor viruses, malware and hacking.
Community cloud
Employees within the core features of community cloud is a cloud resources only to two or more units of a particular organization uses, in addition to the people and institutions have the right to lease and use of cloud computing resources. Participate in community cloud of units of the organization have common requirements, such as cloud service model, security level and so on. Units have business relevance or affiliated organizations the possibility of building a larger community cloud, because on the one hand can reduce their costs, on the other hand to share information.
Public cloud
The core features of public clouds is that cloud resources for the community open to the public, in line with the conditions of any individual or organization can lease the unit and use cloud resources. Public cloud management is much more than a private cloud management complexity, especially security, demanding. Some examples of public clouds: Super Computer Center in Shenzhen, Amazon, Microsoft Azure, Ali cloud and so on.
Hybrid Cloud
Hybrid cloud is composed of two or more different types of clouds (private cloud, community cloud, public cloud) consisting of, in fact it is not a particular type of individual clouds, their external presentation of computing resources from the two or two more than a cloud, but the addition of a hybrid cloud management.
Public / private hybrid cloud architecture more flexible advantages: flexibility assign the most appropriate resources based on the importance of the load, such as the internal important data stored in the local cloud, while the non-confidential function to move to the public cloud area. Technology easier to control. With the confidentiality of private cloud, public cloud while having a disaster (disaster recovery center to create a virtual emergency or static data backup point on a public cloud).
Cloud computing historic resources for IT hardware and software components are standardized, abstract and scale, a sense of subversion and reconstruction of the IT industry's supply chain, which is a great innovation and progress. Today, cloud computing is ushering in the best of times, especially in China this vast land. We sincerely hope that the cloud computing industry has not only achieved commercial success, more solid service industries, provide digital engine and a powerful driving force for socio-economic development. Let us continue to work with cloud computing counterparts, with great digital age peers. Finally, give you a detailed view of cloud computing as the end of learning, we hope people will learn the tutorial system of cloud computing.
