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In the complex world of IT, there are many misconceptions about migrating to the public cloud. Some of these portray the public cloud as the panacea for every IT issue, whereas others consider migration to cause more problems than it’s worth. In reality, neither is correct and, in this post, we’re going to take a closer look at five commonly held misconceptions and explain what the truth actually is.

在复杂的IT世界中，存在许多有关迁移到公共云的误解。 其中一些将公有云描绘成解决每个IT问题的灵丹妙药，而其他一些人则认为迁移会带来更多的问题，而不是值得的。 实际上，这都不是正确的，在这篇文章中，我们将仔细研究五个常见的误解，并解释真相。

采用意味着将所有服务移至云
(Adoption means moving all services to the cloud
)

Some executives believe that a move to the cloud requires you to migrate your entire IT operations. The truth, however, is that you don’t. As with any task undertaken by an organisation, you use the best tools for the job and when it comes to IT, you need to choose the best platform for each of your apps.

一些高管认为，迁移到云需要您迁移整个IT运营。 然而，事实是你没有。 与组织执行的任何任务一样，您需要使用最佳工具来完成这项工作，而在涉及IT方面，则需要为每个应用程序选择最佳平台。

What constitutes the best platform depends upon criteria such as reliability, availability, agility, security and, of course, cost. The ideal solution for one application, might not be the right choice for another, so it is important that you consider a range of appropriate solutions perhaps using the cloud for some and retaining others at your data centre.

构成最佳平台的要素取决于可靠性，可用性，敏捷性，安全性以及成本等标准。 一个应用程序的理想解决方案可能不是另一个应用程序的正确选择，因此重要的是要考虑一系列适当的解决方案，也许将云用于某些应用程序，而另一些保留在数据中心。

公共云的主要用途是作为存储解决方案 ( The main use for public cloud is as a storage solution )

Many believe that the main reason for using the public cloud is that it offers a cheap way to store large volumes of data on a pay as you use basis. While it is certainly true that the cloud enables flexible and cost-effective data storage, perhaps the most important reason for adopting it is the technological benefits it brings.

许多人认为，使用公共云的主要原因是它提供了一种便宜的方式来按使用量付费存储大量数据。 虽然云确实可以实现灵活且经济高效的数据存储，但是采用云的最重要原因可能是其带来的技术优势。

Moving to the public cloud is essential if enterprises are going to take advantage of all the new technological advancements which are taking place. With the widespread and rapid development of open-source cloud applications (and their savings in software licencing) and technologies such as artificial intelligence, machine learning, fog and edge computing and the Internet of Things, migration to the public cloud opens up an exciting world of opportunities.

如果企业要利用正在发生的所有新技术进步，那么迁移到公共云至关重要。 随着开源云应用程序的广泛快速发展(及其在软件许可方面的节省)以及人工智能，机器学习，雾和边缘计算以及物联网等技术，向公共云的迁移打开了一个令人兴奋的世界机会。

公共云成本更低，性能更好 ( Public cloud is less expensive and performs better )

High performance and lower prices are often dangled like carrots in front of executives when persuading them of the benefits of public cloud adoption. In the right circumstances, this is true, the cloud can provide substantial cost reductions and performance improvements when compared to existing data centres – but this depends on the workloads you are wanting to carry out. Also true, however, is that for many enterprise apps, private cloud networks can also bring substantial savings.

当说服他们采用公共云的好处时，高绩效和较低的价格常常像胡萝卜一样摆在高管面前。 在正确的情况下，确实如此，与现有的数据中心相比，云可以显着降低成本并提高性能-但这取决于您要执行的工作负载。 但是，对于许多企业应用程序而言，私有云网络也可以带来可观的节省。

公共云是按需IT解决方案的唯一选择 (Public cloud is the only option for on-demand IT solutions)

Developments in cloud technology move at a pace and while public cloud was once the only solution for on-demand services, there are now alternative options available. Today, it is possible to have on-demand, pay-as-you-go private cloud and multi-cloud services. Working with a variety of solutions can enable organisations to maintain control over their IT infrastructure, ensuring it is configured to provide the optimum in performance, reliability, flexibility and security, while operating at its most cost-effective.

云技术的发展日新月异，尽管公有云曾经是按需服务的唯一解决方案，但现在有其他选择。 如今，可以按需购买，按需付费的私有云和多云服务。 使用各种解决方案可以使组织保持对IT基础架构的控制，确保对其进行配置以提供最佳性能，可靠性，灵活性和安全性，同时以最具成本效益的方式运行。

内部数据中心投资将被浪费 ( In-house data centre investment will be wasted )

While moving some of your services to the public cloud will reduce the pressure on existing data centres and cut down on the need for expensive hardware investment in the future, it does not necessarily mean that an existing data centre will become obsolete.

虽然将您的某些服务移至公共云将减轻现有数据中心的压力，并减少将来对昂贵的硬件投资的需求，但这并不一定意味着现有数据中心将变得过时。

Using the right solution for the right applications means organisations can benefit from public cloud services while ensuring that the investment they have put into their data centre is used wisely. Indeed, moving to the cloud in stages can be a way of ensuring that IT resources are utilised effectively. In-house servers can be kept in use until they come to the end of their useful life and then, instead of replacing them, the apps they run can be migrated to a public or private cloud or moved to colocation. Of course, it may be in the organisation’s best interests to keep a data centre of some form in operation.

为正确的应用程序使用正确的解决方案意味着组织可以从公共云服务中受益，同时确保明智地使用投入其数据中心的投资。 确实，分阶段迁移到云可以是确保有效利用IT资源的一种方式。 内部服务器可以一直使用，直到它们的使用寿命到期为止，然后，可以替换运行的应用程序，而不是替换它们，而可以将它们迁移到公共或私有云中，或者移至托管。 当然，保持某种形式的数据中心正常运作可能符合组织的最大利益。

Understanding which apps run the most cost-efficiently on which platforms will help ensure that the right solutions are found.

了解哪些应用程序在哪些平台上运行成本效益最高，这将有助于确保找到正确的解决方案。

结论 (Conclusion)

The public cloud is not the answer to every IT problem and there are alternatives, such as private, hybrid and multi-cloud options, as well as traditional data centres. The key for any organisation is to use the best hosting solution for each of the applications they need to run. However, the public cloud does have many benefits, it is a field where constant innovation is taking place, where considerable savings can be made and where organisations can improve productivity, speed to market and cost-effectiveness.

公有云并不能解决所有IT问题，并且有替代方案，例如私有，混合和多云选项以及传统的数据中心。 对于任何组织而言，关键是为他们需要运行的每个应用程序使用最佳的托管解决方案。 但是，公共云确实有很多好处，它是不断创新的领域，可以节省大量成本，组织可以提高生产力，加快上市速度和成本效益。

For more details about our cloud solutions, check out our cloud hosting page.

有关我们的云解决方案的更多详细信息，请查看我们的云托管页面 。

翻译自: https://www.eukhost.com/blog/webhosting/fake-news-5-common-misconceptions-about-public-cloud/

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