iaas
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The system is decoupled from the underlying infrastructure and therefore easy to get running within any IaaS layer.
由于系统与底层基础设施间的连接是松耦合的，所以它能轻易地运行在任意IaaS层之上。
PaaS or IaaS tends to be a decision of cost, service level, or congruence with your requierments.
PaaS或是IaaS是个费用、服务层或是与需求一致性的决定。
You want to be able to negotiate with the IaaS provider on the terms in the threshold policy and the SLA for your company.
您想能够与IaaS供应商协商阈值策略中的条款和您公司适用的SLA。
Now that you understand the concept of elasticity, let's take a look at the second major facet of IaaS: virtualization.
理解弹性概念之后，现在我们来看看IaaS的第二个主要方面：虚拟化。
Developing for a specific vendor's proprietary IaaS could prove to be a costly mistake if the vendor were to go out of business.
事实证明，如果某个供应商可能会停业，那么针对该供应商的专有IaaS进行开发将是一个代价不菲的错误。
As mentioned a moment ago, IaaS marks the shift from the paradigm of infrastructure as an asset to that of Infrastructure as a Service.
如前所述，IaaS标志着从“基础架构即资产”到“基础架构即服务”的转变。
This bundle, with or without storage, is usually referred to as IaaS.
这种捆绑在一起的服务通常简称为IaaS，无论是否带有存储能力。
Lightly managed IaaS is overwhelmingly the most common scenario that Gartner's clients are trying to source.
轻度管理的IaaS是Gartner的受访对象将要尝试的最常见的方式，几乎占压倒性优势。
As a matter of fact, using IaaS, you could have the entire U. S. census data analysis completed within an hour.
事实上，使用IaaS，您可以在一小时之内完成全美人口普查数据分析。
One technique that, in my opinion, may not be receiving sufficient attention is that of "information as a service" or IaaS.
在我看来，可能没有受到足够重视的一项技术是“信息作为服务”或IaaS。
Ideally, the PaaS on which MEISs are built is hosted on a world class IaaS which offers elasticity, robustness, and security.
理想的情况是，多企业信息系统构建在PaaS上，并且提供扩展性、坚固性、可靠性和安全性的世界级的IaaS承载这个PaaS。
Enterprises that design and implement IaaS set a strong foundation for their cloud computing efforts, but it does not stop there.
设计和实现IaaS的企业为它们的云计算工作打下了坚实基础，但它们不会就此止步。
These numbers give at least an estimate of the size of the market for IaaS.
这些数字至少可以帮助我们预测基础设施层的市场规模。
IaaS (Infrastructure as a service) delivers computer infrastructure, typically a platform virtualization environment.
IaaS（基础设施即服务）构建的是计算机基础设施，通常是指虚拟化平台环境。
IaaS is the rawest form of computing as a service (outside of access to the physical infrastructure).
IaaS是作为服务的计算的最原始的形式（除了对物理基础设施的访问）。
The platform should be agnostic to the underlying infrastructure and allow companies to move the application from another IaaS to another.
平台应该不限制底层基础设施类型，允许公司把应用程序从一个IaaS转移到另一个。
All platforms performed well for small objects, while PaaS platforms performed better than IaaS for larger objects.
所有平台针对小对象都表现不错，而在大对象方面，PaaS平台比IaaS更出色。
When added to a network of servers and storage, these packages produce flexible cloud computing and storage infrastructures (IaaS).
如果将它们添加到服务器和存储网络上，这些包均能提供灵活的云计算和存储基础设施（IaaS）。
The infrastructure (Infrastructure-as-a-Service, or IaaS) is the leasing of infrastructure (computing resources and storage) as a service.
基础设施即服务（Infrastructure-as-a-Service，IaaS）是指以服务的形式租借基础设施（计算资源和存储）。
Cloud IaaS provides cost savings, capacity flexibility, rapid provisioning, simplified configuration and management, and ease of automation.
IaaS云能够节约开支、提供灵活的能力、快速供应、简化的配置管理以及便利的自动化。
A Microsoft whitepaper presents the details of building such an IaaS platform with the upcoming server OS from Redmond.
微软公司的一份白皮书揭示了应用即将发布的服务器操作系统来构建IaaS平台的细节。
They also brought out two points of general interest. The first is that the dividing line between IaaS and PaaS can be very thin.
他们还产生了两个普遍接受的观点，其一是IaaS和PaaS之间的分界线越来越窄。
An IaaS infrastructure and network specialist controls the OSs, network equipment, and deployed applications at the virtual machine level.
一个IaaS的基础架构师和网络专家可以控制操作系统、网络设备，以及在虚拟机级别部署的应用程序。
In larger deployments, starting and stopping instances and being billed by cluster utilization consolidates cost and management of IaaS.
在大型部署中，启动和停止实例和按照集群利用率进行计费与IaaS管理都合在一起。
In other words, PaaS is IaaS with a custom software stack for the given application.
换句话说，PaaS就是IaaS加上一个用于给定应用的定制软件栈。
Amazon AWS is the frontrunner in providing cloud infrastructure with the largest breadth of products and most mature offerings in IaaS.
AmazonAWS是云基础设施的领跑者，它在IaaS上拥有最多的产品和最成熟的供给。
IaaS consists of a combination of hardware and software resources.
IaaS有一个硬件和软件资源组合组成。
PaaS is similar to IaaS but includes operating systems and required services that focus on a particular application.
PaaS类似于IaaS，但是它包括操作系统和围绕特定应用的必需的服务。
The IaaS provider controls the infrastructure of traditional computing resources in the cloud environment.
IaaS的供应商控制着云环境中传统计算资源的基础架构。
You want to know how the provider sets threshold levels to ensure the IaaS will continue when there is a surge in workload demands.
您想知道供应商如何设置阈值水平来确保工作负载需求激增时IaaS持续可用。
Customers that use these services will usually have far more complex requirements than companies that choose a SaaS service.
采用了IaaS的客户通常比采用SaaS的往往具有更复杂的需求。
Infrastructure as a Service (IaaS) is a great concept: You use computing resources; you pay for them.
基础设施即服务（InfrastructureasaService，IaaS）是一个极好的概念：您使用计算资源并支付费用。
You specify what the provider needs to do and how consumers can work with SaaS, PaaS, or IaaS individually or with all of them.
您指定供应商需要做什么，以及用户如何单独或者同时使用SaaS、PaaS或IaaS。
Rackspace says it operates nearly 64, 000 servers globally, but notes that only some are used for IaaS.
Rackspace则称他们在全球运行的服务器将近6万4千个，同时指出其中只有一部分用作IaaS服务的。
IaaS is the delivery of computer infrastructure as a service.
IaaS是以服务的形式交付计算机基础设施。
Let's start at the lowest level of service provided, which is the infrastructure (Infrastructure-as-a-Service, or IaaS).
我们从最低级的服务开始，即基础设施（Infrastructure-as-a-Service或IaaS）。
Nimbus is another IaaS solution focused on scientific computing.
Nimbus是一种以科学计算为中心的IaaS解决方案。
Because the IaaS model is so different from the traditional model of buying servers, the way you manage your virtual computers changes.
由于IaaS模式与传统的购买服务器的模式差别很大，因此您管理您的虚拟计算机的方法也随之发生改变。
Next, the consumer wants to know what security focus for user, resource, and data request threshold policy is for SaaS, PaaS and IaaS.
接下来，使用者希望了解SaaS、PaaS和IaaS用户、资源和数据请求安全策略的安全关注重点是什么。
In the meantime, check out the Resources section for links to more information on IaaS.
在此期间，请查看参考资料部分的链接，了解关于IaaS的更多信息。
