Cloud migration, public cloud or private cloud?

With the advancement of technology and the change of the Times, after several years of development, the benefits of cloud computing is being understood by more and more people, some innovative companies are slowly beginning to try to deploy cloud computing. But for the deployment cloud, not all companies can do, for most companies, cloud computing is a new thing, to move the data center completely to the "cloud" side is not to say that can do, the process faces many challenges and pitfalls.

However, even if there are more challenges, every company is still migrating, or at least considering migrating to the cloud. With too many options available, many companies are still experimenting with which option is best for you. We know that cloud computing is a way of thinking about IT infrastructure as a service. Depending on the nature of cloud computing services, cloud computing can be differentiated into public, private, and mixed clouds.

The decision to create a private cloud, use a public cloud or choose a hybrid cloud can be summed up in several factors, says Rick Wright, the KPMG global cloud innovation leader.

The company must consider how important it is to prepare the application for cloud migration, the management problem, the level of service required, the use of the workload, and how the integrated application is integrated with other functions of the company.

For example, pharmaceutical companies should choose the internal private cloud, since restricting the industry has some vital needs and is subject to strict rules. Although in a private cloud, these companies are installing their own server and storage hardware, they can use the volume detection or deployment of new applications to flexibly allocate workloads between servers.

For a private cloud, the transition from the current enterprise's IT infrastructure to the private cloud computing paradigm takes several steps, first through virtualization to create a virtual machine, and then by implementing a virtual machine that migrates to different physical servers, ultimately enabling the system to dynamically allocate resources. There is also a need to provide self-service portals that allow users to easily customize the resources they need, and to measure the resources allocated in the background. is relatively easy to accept.

Because the private cloud is typically within a firewall, providing operational services for an enterprise, it is more secure, compliant, and quality of service, and easier to integrate existing applications and reduce operating costs.

On the other hand, there are companies that need to quickly provide services to the market, and have few regulatory hurdles, and use data that is not necessarily tied to other businesses. These businesses are turning to public cloud solutions, such as Amazon Web Services. After signing the contract, users can immediately use computing, storage, and other services through the online portal.

Although the public cloud cost is lower, the management burden is lighter, in the aspect and so on capacity allocation has the superiority. But the cost of openness is the risk of a variety of security. In the shared "cloud", it is important to protect the security and privacy of the data. This is an important issue to consider before the cloud lands. About the security of the cloud, is the data to be managed, or to be safe? Only by ensuring the security of data can the cloud be more open and efficient. So, in data management, better protection is needed to make data more widely available.

According to a KPMG survey of 800 senior executives worldwide, they found that 41% of respondents said they were using or planning to use some type of private cloud, and 30% said they were or were preparing to use the public cloud.

So, for the public cloud, security is the main challenge. Many companies are not comfortable keeping their data and applications in a system they cannot control. They argue that migrating workloads to a shared architecture increases the potential risk of unauthorized access and information disclosure. Therefore, consistency requirements around authentication, identity management, compliance, and access technologies become more important.

In fact, the choice of public, or private, the answer is not difficult to find. Private cloud has a private cloud of relative security and cost of high walls, public clouds have the public cloud is willing to Tianjin road price advantage and security weakness. To put security first the enterprise IT decision-makers are more concerned about the private cloud, the security is not the main factor in the application and data, the public cloud is still full of charm. Public clouds are the ideal choice for sudden applications that require maximum computational power and minimum storage time.

There is no doubt that the cornerstone of the future public cloud services, over time, private cloud and public cloud resources will be mixed or interleaved. Whether it's a private cloud or a public cloud, it's just a possible path for an enterprise to realize informatization.

It is worth noting, however, that in the end most sectors, including those with strict regulations and largely unregulated controls, may have a shift to a hybrid cloud. "What we are looking at now is that most companies will adopt a hybrid model." "says Rick Wright, the KPMG Global Cloud Innovation director.

No matter what cloud the business unit decides to use, one thing is clear: they will migrate to the cloud. In one survey, 81% of respondents said their companies were evaluating cloud services, planning cloud implementations or implementing cloud policies, including public and private clouds. Only less than 10% of respondents said they did not intend to use the cloud immediately.

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Public cloud or private cloud enterprise CIO How to make Judgments 10 key factors for building private cloud the private cloud will eventually transition to the public cloud cloud computing Future: The public cloud private cloud does not separate the top ten easy to migrate to the public cloud enterprise-Class Application "responsible editor: Sweetness TEL: (010) 68476606"