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谁说公有云是主角，混合云才是当下“红人”| 双语
4761
2016-10-12 00:33
文章摘要：公有云容量高、弹性强但安全性差，私有云安全性高、兼容性强且可以定制，但前期成本太高。若想鱼与熊掌兼得，混合云是大势所趋！
作者：T 客汇 杨丽
关键词：混合云，公有云，私有云
网站：www.tikehui.com
从商业创新到降低成本，云计算往往被视为应对这些挑战的有效手段。然而，企业搬上了云端，新的问题就来了
公有云容量高、弹性强但安全性差，私有云安全性高、兼容性强且可以定制，但前期成本太高。若想鱼与熊掌兼得，混合云是大势所趋！
作者：T 客汇 杨丽
关键词：混合云，公有云，私有云
网站：www.tikehui.com
从商业创新到降低成本，云计算往往被视为应对这些挑战的有效手段。然而，企业搬上了云端，新的问题就来了：到底是选择公有云，私有云，还是混合云呢？
目前，国内外大型云厂商都调整了之前「只做一种云」的口吻，而开始公开表示支持混合云部署。
此前，亚马逊 AWS 身上所贴的标签一直是「全球最大的公有云供应商」，但是随着越来越多的企业将内部部署的云系统与亚马逊云相结合构建混合云时，AWS 云服务的步调也开始逐渐转移。现在，企业可将内部部署环境与 AWS 云相集成，进行应用程序的迁移和管理。
在国内，阿里、华为、百度等云计算市场的争夺战也正打得火热。各大厂商对公有云还是私有云的态度也悄然发生了微妙的转变。从与万国数据合作在全球搭建混合云数据中心，到今年世纪互联的加入，阿里云计划利用混合云的强大优势试图占据更多的云计算市场。在此次2016杭州「云栖大会」上，阿里云还将发布升级版「云合计划」，希望加强与更多企业的合作打通云服务生态链。
在此，原文作者 IBM 欧洲部云计算负责人 Sebastian Krause 围绕以上话题，具体分析了存在于企业间的一些共识与误解，并指出采取混合云部署的种种优势。
公有云与私有云争论不休，混合云前来平衡
According to IDC, overall spending on infrastructure for cloud environments will hit $38.2 billion in 2016. It’s clear that whichever way an organisation chooses to adopt cloud services the capability will be there, but getting to that final decision on what type of services the organisation needs can be a complex process.
市场研究机构 IDC 预测，在 2016 年，云环境下搭建基础架构的全年支出将超过 382 亿美元。显然，无论 IT 部门选择何种方式提供云服务，云计算的潜力依旧不容小觑，但想要达到最终目的，选择恰当的云服务方式，中间的纠结过程可能只有自己才能体会。
In the past, the choice of which cloud model to adopt was largely predicated by the business conditions of the industry a company is operating in. For example, private cloud is ideally suited as an entry point for the financial services industry. Private cloud gives the organisation greater control of security and data placement decisions enabling it to comply with the audit requirements of regulators more easily, which is mission critical within the industry.
在过去，云计算的部署方式很大程度上由一家企业所在行业的市场环境所决定。例如，私有云非常适合金融业进行云部署。这是因为，私有云使得 IT 部门在安全性和数据安置上有更强的管控能力，并且能更易于通过监管部门的审核，而这在企业内部往往非常重要。不过，正是由于选择自建私有云平台，因此，企业往往前期投入非常大，需要一次性采购大量软、硬件设备，甚至是数据中心的基础设施架构。
When looking at the pros and cons of public cloud, one benefit of public cloud is the near unlimited scalability. Scaling up or down can be done quickly, giving greater elasticity for unplanned projects or those that expand rapidly without warning. On the flip side, there are concerns surrounding the security and privacy of data due to the number of attacks to the public cloud. The onslaught of attacks to services that are publicly available, which invariably transcend borders is a mounting concern for companies using public cloud.
说起公有云，也是有利有弊。利在于：公有云拥有极强的可扩展性。能够迅速伸缩，因而对数据容灾能力极强。弊在于：由于公有云往往会遭受大量攻击，因此人们对数据安全和隐私有一定的担忧。在公有云上提供服务的安全风险性，使得越来越多的企业对此类问题非常关注。
Yet, businesses are learning that despite previous barriers to the initial adoption of cloud computing technology such as compliance, customisation, utilisation and privacy requirements, hybrid cloud can offer what the business of the future needs in a secure environment. There no longer needs to be a trade-off between public and private.
不过，企业正逐渐意识到：尽管最开始采用云计算时，如合规性、定制化服务等存在某些技术障碍，但在后期，企业需要的是一个数据安全性相对高的环境，因而混合云的出现成为必然，再也不需要公有和私有彼此权衡。
成为“红人”，混合云依靠哪些优势？
The hybrid cloud market is growing fast. For the enterprise, hybrid cloud seems the natural evolution from a traditional model, providing huge benefits such as, agility, improved experience, security and compliance and increased innovation.
混合云市场发展很快。原因在于，对企业而言，混合云具有很多优势，包括：灵活、安全、弹性，能够提升用户体验，还能增强创新力。因此，可以说混合云是传统模式下的自然推演。
Markets and Markets published a report last April estimating that the global hybrid cloud market is expected to grow from USD 33.28 Billion in 2016 to USD 91.74 Billion by 2021.
去年 4 月，美国市场调查与咨询公司 Markets and Markets 的一份分析报告显示，全球混合云计算市场有望在 2016 年达到 332.8 亿美元，到 2021 年将突破 917.4 亿美元。
优势一：弹性、灵活
Customer expectations are ever-changing, and as such businesses are under constant pressure to provide continually improving customer experiences. This requires a systematic and iterative approach to capitalising on a range of technologies’ capabilities – meaning fast, agile development is required.
客户期望总在不断变化，客户体验也需要不断提升。这就需要一套系统性且迭代性强的方法进行技术运用，因此，能够进行快速、灵活的开发则是必然选择。
A complete hybrid cloud portfolio enables businesses to place workloads where they make the most sense. An enterprise can align its architecture to take advantage of performance requirements that only dedicated servers can offer. In addition, there is the capability to build upon prior investments in applications and IT infrastructure that an enterprise has already made.
完整的混合云产品组合能方便企业把工作负载搭建在核心平台上。通过调整其云架构，企业可以利用专有服务器服务性能上的优势。另外，混合云还能利用前期企业搭建应用程序和 IT 基础架构时的投入，提升成本利用率。
优势二：安全、合规
A common concern about cloud technology among enterprises is security and multi-tenancy. There is growing business pressure to shift data and processing to the cloud, but with mounting regulatory requirements and in some situations regulatory uncertainty, failure to meet these requirements could have critical business impact.
企业对云技术往往持有类似的担忧：安全和多租户的问题。将数据和运行过程转移到云端，这种压力对企业而言越来越显著。但是，一方面监管力度加大，另一方面，监管有时也存在不确定性，一旦无法符合这些监管要求，则会对企业造成重大影响。
A hybrid cloud system satisfies these concerns by allowing a business to choose dedicated servers and network devices that can isolate or restrict access and enabling an organisation to choose exactly where data can be placed. Yet, at the same time this can be orchestrated into one, singular, integrated piece of architecture.
混合云的出现打消了这类担忧。在混合云上，企业能够选择隔离或限制访问的专有服务器和网络设备，而 IT 部门能够准确选择数据的存放位置。同时，混合云还能被编排成单个的集成架构。
优势三：集成二者共同特点
Cloud has reached a tipping point and the characteristics of IT investment are shifting. Moving from a situation where each organisation keeps a tight hold on their own data, IT executives are actively researching and investigating ways and platforms to integrate data with digital business partners, an experience which can only be fully realised within a cloud environment.
目前，云计算的变革使 IT 焦点也发生了转移。之前，每个 IT 部门都想牢牢抓住手中的数据，而现在，他们正积极研究，着手将数据集成到数字业务伙伴，而这个过程只有在云环境中才能完全实现。
But, an enterprise cannot rewrite all of its apps for the cloud or take all of its data to the cloud. Making it simple to migrate any existing enterprise data to the cloud to create efficient workflows with partners, yet keep other data if not needed for cloud operations on private servers, is a massive benefit to large corporations.
但是，一家企业不能因为搬上云端就得重写所有的应用程序，或者将所有数据都存放至云端。将任何一类现有的企业数据迁到云端，并与合作伙伴建立有效的工作负载变得简单。如果不需要在专用服务器上进行云端数据运行，那么对于大型企业保留某些数据则非常有用。
The speed in which this can be done is what makes moving to a hybrid cloud such an attractive option.
另外，在这个过程中，速度上的优势也绝对是混合云备受期待的原因。
优势四：促进创新
Companies recognise the world is being rewritten in code, as IBM Design general manager Phil Gilbert says, and cloud is the environment in which the new reality can be delivered.
企业已认识到：世界正在以代码的形式被重写，而在云环境中这个新世界才能得以实现，IBM 设计总经理菲尔·吉尔伯特（Phil Gilbert）提到。
Hybrid cloud is being used to make IT portfolio economics work and deliver faster app innovation. For example, DevOps can rapidly create and deploy a new app, microservice or AOI (Add On Instruction) across hybrid cloud that can be scaled up or down. Continuous innovation means being able to access data and analytics to extract deeper insights more quickly than ever before, allowing businesses to get closer to their customers and make smarter decisions in real-time.
混合云使得 IT 组合经济能够运转起来，并且促进 app 创新的步伐。例如，DevOps 在可伸缩的混合云系统上，能够快速构建并部署一个新的 app、微服务或 AOI 附加指令。能够访问到数据并进行数据分析，从而更为快速深入地获取洞察，与此同时，企业能够更贴近客户，及时做出更为明智的决策。这都是持续创新的原生力。
Ultimately, when looking for the right cloud solution there is no one size fits all approach. Every hosting solution is unique, and every customer has requirements that revolve not only around technology, but also around support, financial and business objectives. The debate has moved on. It’s not really a matter of either/or — it’s both. A hybrid cloud provider
总之，并没有任何一个云解决方案可以解决所有的问题，因为每个托管解决方案是独一无二的，而每位客户都有对技术、支持、财务和业务目标的要求。事实上，公有云与私有云之争早就不存在了。
而这一观念和做法转变的背后，不仅证实：相比单一云部署，混合云确实具有明显的优势，而且更加折射出：目前云计算市场竞争愈加激烈。不过，古语有云，黄狸黑狸，得鼠者雄！
（原文链接：http://www.cloudcomputing-news.net/news/2016/jul/26/private-vs-public-cloud-debate-which-deploy-and-why-consider-hybrid/）
作者：T 客汇 杨丽
关键词：混合云，公有云，私有云
网站：www.tikehui.com
从商业创新到降低成本，云计算往往被视为应对这些挑战的有效手段。然而，企业搬上了云端，新的问题就来了：到底是选择公有云，私有云，还是混合云呢？
目前，国内外大型云厂商都调整了之前「只做一种云」的口吻，而开始公开表示支持混合云部署。
此前，亚马逊 AWS 身上所贴的标签一直是「全球最大的公有云供应商」，但是随着越来越多的企业将内部部署的云系统与亚马逊云相结合构建混合云时，AWS 云服务的步调也开始逐渐转移。现在，企业可将内部部署环境与 AWS 云相集成，进行应用程序的迁移和管理。
在国内，阿里、华为、百度等云计算市场的争夺战也正打得火热。各大厂商对公有云还是私有云的态度也悄然发生了微妙的转变。从与万国数据合作在全球搭建混合云数据中心，到今年世纪互联的加入，阿里云计划利用混合云的强大优势试图占据更多的云计算市场。在此次2016杭州「云栖大会」上，阿里云还将发布升级版「云合计划」，希望加强与更多企业的合作打通云服务生态链。
在此，原文作者 IBM 欧洲部云计算负责人 Sebastian Krause 围绕以上话题，具体分析了存在于企业间的一些共识与误解，并指出采取混合云部署的种种优势。
公有云与私有云争论不休，混合云前来平衡
According to IDC, overall spending on infrastructure for cloud environments will hit $38.2 billion in 2016. It’s clear that whichever way an organisation chooses to adopt cloud services the capability will be there, but getting to that final decision on what type of services the organisation needs can be a complex process.
市场研究机构 IDC 预测，在 2016 年，云环境下搭建基础架构的全年支出将超过 382 亿美元。显然，无论 IT 部门选择何种方式提供云服务，云计算的潜力依旧不容小觑，但想要达到最终目的，选择恰当的云服务方式，中间的纠结过程可能只有自己才能体会。
In the past, the choice of which cloud model to adopt was largely predicated by the business conditions of the industry a company is operating in. For example, private cloud is ideally suited as an entry point for the financial services industry. Private cloud gives the organisation greater control of security and data placement decisions enabling it to comply with the audit requirements of regulators more easily, which is mission critical within the industry.
在过去，云计算的部署方式很大程度上由一家企业所在行业的市场环境所决定。例如，私有云非常适合金融业进行云部署。这是因为，私有云使得 IT 部门在安全性和数据安置上有更强的管控能力，并且能更易于通过监管部门的审核，而这在企业内部往往非常重要。不过，正是由于选择自建私有云平台，因此，企业往往前期投入非常大，需要一次性采购大量软、硬件设备，甚至是数据中心的基础设施架构。
When looking at the pros and cons of public cloud, one benefit of public cloud is the near unlimited scalability. Scaling up or down can be done quickly, giving greater elasticity for unplanned projects or those that expand rapidly without warning. On the flip side, there are concerns surrounding the security and privacy of data due to the number of attacks to the public cloud. The onslaught of attacks to services that are publicly available, which invariably transcend borders is a mounting concern for companies using public cloud.
说起公有云，也是有利有弊。利在于：公有云拥有极强的可扩展性。能够迅速伸缩，因而对数据容灾能力极强。弊在于：由于公有云往往会遭受大量攻击，因此人们对数据安全和隐私有一定的担忧。在公有云上提供服务的安全风险性，使得越来越多的企业对此类问题非常关注。
Yet, businesses are learning that despite previous barriers to the initial adoption of cloud computing technology such as compliance, customisation, utilisation and privacy requirements, hybrid cloud can offer what the business of the future needs in a secure environment. There no longer needs to be a trade-off between public and private.
不过，企业正逐渐意识到：尽管最开始采用云计算时，如合规性、定制化服务等存在某些技术障碍，但在后期，企业需要的是一个数据安全性相对高的环境，因而混合云的出现成为必然，再也不需要公有和私有彼此权衡。
成为“红人”，混合云依靠哪些优势？
The hybrid cloud market is growing fast. For the enterprise, hybrid cloud seems the natural evolution from a traditional model, providing huge benefits such as, agility, improved experience, security and compliance and increased innovation.
混合云市场发展很快。原因在于，对企业而言，混合云具有很多优势，包括：灵活、安全、弹性，能够提升用户体验，还能增强创新力。因此，可以说混合云是传统模式下的自然推演。
Markets and Markets published a report last April estimating that the global hybrid cloud market is expected to grow from USD 33.28 Billion in 2016 to USD 91.74 Billion by 2021.
去年 4 月，美国市场调查与咨询公司 Markets and Markets 的一份分析报告显示，全球混合云计算市场有望在 2016 年达到 332.8 亿美元，到 2021 年将突破 917.4 亿美元。
Flexibility and agility
优势一：弹性、灵活
Customer expectations are ever-changing, and as such businesses are under constant pressure to provide continually improving customer experiences. This requires a systematic and iterative approach to capitalising on a range of technologies’ capabilities – meaning fast, agile development is required.
客户期望总在不断变化，客户体验也需要不断提升。这就需要一套系统性且迭代性强的方法进行技术运用，因此，能够进行快速、灵活的开发则是必然选择。
A complete hybrid cloud portfolio enables businesses to place workloads where they make the most sense. An enterprise can align its architecture to take advantage of performance requirements that only dedicated servers can offer. In addition, there is the capability to build upon prior investments in applications and IT infrastructure that an enterprise has already made.
完整的混合云产品组合能方便企业把工作负载搭建在核心平台上。通过调整其云架构，企业可以利用专有服务器服务性能上的优势。另外，混合云还能利用前期企业搭建应用程序和 IT 基础架构时的投入，提升成本利用率。
Security and compliance
优势二：安全、合规
A common concern about cloud technology among enterprises is security and multi-tenancy. There is growing business pressure to shift data and processing to the cloud, but with mounting regulatory requirements and in some situations regulatory uncertainty, failure to meet these requirements could have critical business impact.
企业对云技术往往持有类似的担忧：安全和多租户的问题。将数据和运行过程转移到云端，这种压力对企业而言越来越显著。但是，一方面监管力度加大，另一方面，监管有时也存在不确定性，一旦无法符合这些监管要求，则会对企业造成重大影响。
A hybrid cloud system satisfies these concerns by allowing a business to choose dedicated servers and network devices that can isolate or restrict access and enabling an organisation to choose exactly where data can be placed. Yet, at the same time this can be orchestrated into one, singular, integrated piece of architecture.
混合云的出现打消了这类担忧。在混合云上，企业能够选择隔离或限制访问的专有服务器和网络设备，而 IT 部门能够准确选择数据的存放位置。同时，混合云还能被编排成单个的集成架构。
Speed and experience
优势三：集成二者共同特点
Cloud has reached a tipping point and the characteristics of IT investment are shifting. Moving from a situation where each organisation keeps a tight hold on their own data, IT executives are actively researching and investigating ways and platforms to integrate data with digital business partners, an experience which can only be fully realised within a cloud environment.
目前，云计算的变革使 IT 焦点也发生了转移。之前，每个 IT 部门都想牢牢抓住手中的数据，而现在，他们正积极研究，着手将数据集成到数字业务伙伴，而这个过程只有在云环境中才能完全实现。
But, an enterprise cannot rewrite all of its apps for the cloud or take all of its data to the cloud. Making it simple to migrate any existing enterprise data to the cloud to create efficient workflows with partners, yet keep other data if not needed for cloud operations on private servers, is a massive benefit to large corporations.
但是，一家企业不能因为搬上云端就得重写所有的应用程序，或者将所有数据都存放至云端。将任何一类现有的企业数据迁到云端，并与合作伙伴建立有效的工作负载变得简单。如果不需要在专用服务器上进行云端数据运行，那么对于大型企业保留某些数据则非常有用。
The speed in which this can be done is what makes moving to a hybrid cloud such an attractive option.
另外，在这个过程中，速度上的优势也绝对是混合云备受期待的原因。
Innovation
优势四：促进创新
Companies recognise the world is being rewritten in code, as IBM Design general manager Phil Gilbert says, and cloud is the environment in which the new reality can be delivered.
企业已认识到：世界正在以代码的形式被重写，而在云环境中这个新世界才能得以实现，IBM 设计总经理菲尔·吉尔伯特（Phil Gilbert）提到。
Hybrid cloud is being used to make IT portfolio economics work and deliver faster app innovation. For example, DevOps can rapidly create and deploy a new app, microservice or AOI (Add On Instruction) across hybrid cloud that can be scaled up or down. Continuous innovation means being able to access data and analytics to extract deeper insights more quickly than ever before, allowing businesses to get closer to their customers and make smarter decisions in real-time.
混合云使得 IT 组合经济能够运转起来，并且促进 app 创新的步伐。例如，DevOps 在可伸缩的混合云系统上，能够快速构建并部署一个新的 app、微服务或 AOI 附加指令。能够访问到数据并进行数据分析，从而更为快速深入地获取洞察，与此同时，企业能够更贴近客户，及时做出更为明智的决策。这都是持续创新的原生力。
Ultimately, when looking for the right cloud solution there is no one size fits all approach. Every hosting solution is unique, and every customer has requirements that revolve not only around technology, but also around support, financial and business objectives. The debate has moved on. It’s not really a matter of either/or — it’s both. A hybrid cloud provider
总之，并没有任何一个云解决方案可以解决所有的问题，因为每个托管解决方案是独一无二的，而每位客户都有对技术、支持、财务和业务目标的要求。事实上，公有云与私有云之争早就不存在了。
而这一观念和做法转变的背后，不仅证实：相比单一云部署，混合云确实具有明显的优势，而且更加折射出：目前云计算市场竞争愈加激烈。不过，古语有云，黄狸黑狸，得鼠者雄！
（原文链接：http://www.cloudcomputing-news.net/news/2016/jul/26/private-vs-public-cloud-debate-which-deploy-and-why-consider-hybrid/）
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