公共云要求IT摊牌

IT要求云供应商提供安全性、性能和可靠性功能——但是要以昂贵的云为代价

谷歌上周宣布，其高复制数据存储已走出试验阶段；现在已成为谷歌Google App Engine 软件开发工具包中真正的一部分。“云供应商都将冲出企业IT，通过从现有私有企业计算环境中提取出的附加功能，去处理云计算担忧，包括安全性、性能以及可用性。”这是2012年主要趋势之一。

过去，许多云供应商驳回添加功能来复制企业数据中心中存在的数据请求。通常情况下，他们认为传统企业计算方法过于复杂，过于费解，也过于昂贵。事实上，许多人甚至把这种批评称为：“企业状态”。

现在，谷歌App Engine可以跨多个数据中心复制数据，因此可以在影响单个实例的维修和中断情况发生时继续有效工作。这一服务是企业移入公共云之前对此功能要求的结果。

企业云安全功能也在寻找在公共云计算堆栈中生存的途径。一些企业当前提供复杂但高效的安全性，特别是在那些将要采用公共云的企业中。这同样适用于管理和支配功能。

许多企业IT组织机构表明自己的功能才是紧要使命，并称充分了解云供应商还没有提供这样的功能，他们通过这种方式来阻止云计算的应用。现在，云供应商通过在指示说明中加入这些特点来要求IT摊牌（或是根据自己的看法在处理这些紧急使命需求）。运供应这样做也可以增加收入——这似乎合乎常理。

这一过程中出现的问题在于，许多云计算领域有价值的东西就是简洁和价格优势——但这会随着供应商增加功能而快速消失。好的方面是企业将没有借口不移入云计算，并且2012年和2013年的云应用将加快增长。然而，随着云服务越来越像企业软件，云计算的核心价格优势也会逐渐丧失。

IT demands that cloud providers offer security, performance, and reliability features -- but the price may be costlier clouds.

Google announced last week the end of the "experimental" availability of its high-replication data store; it's now a "real" part of the Google App Engine SDK. This is part of a key 2012 trend: Cloud providers will rush to address cloud computing concerns from enterprise IT -- including security, performance, and availability -- through the addition of features taken from existing private enterprise computing environments.

In the past, many cloud providers dismissed requests that features be added to replicate what existed in enterprise data centers. Typically, they referred to traditional enterprise computing methods as overly complex, convoluted, and costly. Indeed, many even gave this criticism a name: "enterprisey."

Now, Google App Engine can replicate data across multiple data centers, and thus work around availability issues in the case of maintenance and outages that affect a single instance. This offering is a result of businesses demanding such features before they move to the public cloud.

Enterprise cloud security features are also finding their way into existing public cloud computing stacks. Some now provide complex but effective security, typically on the check lists of enterprises about to adopt public clouds. The same goes for management and governance features.

Many enterprise IT organizations are putting up roadblocks to the adoption of cloud computing by listing features that they assert are mission-critical, knowing full well that the cloud providers do not yet provide such features. Now, cloud providers are calling the IT bluff (or addressing these mission-critical requirements, depending on your point of view) by adding these features to their road maps. Also, by doing this, the cloud providers are able to increase revenues -- seems logical.

The problem I have with this process is that much of what's valuable in the world of cloud computing is the simplicity and cost advantage -- which is quickly going away as cloud providers pile on features. The good news is that enterprises won't have an excuse not to move to cloud computing, and adoption will accelerate in 2012 and 2013. However, as cloud offerings appear to be more and more like enterprise software, the core cost advantage of cloud computing could be eroding.

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标签： Google 安全 大数据 谷歌 云服务 云计算 云计算的应用

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