软件定义数据中心与云计算

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发表于 2019-12-26 10:36:09 | 显示全部楼层 |阅读模式

软件定义数据中心与云计算

“云”可以看作是应用的网络营销术语,或者是内部或外部客户通过Web形式的采购需求基础设施服务。相比之下,软件定义的数据中心是通过云服务可以提供最有效服务的机制。

  软件定义数据中心的长期目标是将其转变成可以提供给最终用户/消费者的服务。目前,实现这一愿景是通过云计算模式如IaaS和平台即服务(PaaS)的最佳方式。采用软件定义数据中心技术,可以提高IT模型实现这一长期愿景的能力,就像云计算一样。

微信图片_20191226103539.jpg

  软件定义数据中心在核心硬件资产上超越传统的抽象层,创建一个包括云计算的简单工具包。软件定义数据中心可以让服务器和其他硬件关闭,或使其运行在低功率水平上,这可能对设备用电产生有利的影响。一些专家认为,采用软件定义数据中心可以更安全地选择云。软件定义数据中心为企业提供自己的私有云,让它们在托管数据时有更多的控制权。

  软件定义数据中心可以通过软件的规则和限制,将那些符合行业标准的复杂硬件动态地分离出来,成为一个资源池。其汇集云计算基础设施的关键特点如下所述。

1.标准化

  标准化硬件创建资源池的效率。创建基于标准化的硬件环境,在数据中心的动态范围内消除不必要的复杂性。

2.整体化

  整个数据中心通过云基础设施的设计,采用最优化的方式支持所有的工作负载。

3.适应性

  云基础架构必须是动态的,它具备能够适应变化的资源负载的能力。这种适应性是自动化的,根据应用程序的运行要求,实现基于定义的配置。

4.自动化

  自动化是云基础设施的质量标志。当使用软件定义的数据中心空间时,该框架必须具有内置的智能功能,消除复杂性,以及创建弹性计算,而无需工作人员的直接指导。

5.弹性

  软件定义数据中心以其自动化和适应性必须能够弥补硬件和软件故障。网络应该自动应对可能出现的问题,并确保最高级别的可用性。


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