以抽象级别来说,IaaS提供最低层次的硬件虚拟化服务,PaaS构建在IaaS之上,并在此之上增加了开发平台的服务,SaaS则是在PaaS基础上提供成熟的软件应用服务。就管理角度而言,IaaS用户需要管理最多的层面,包括应用程序、数据、运行环境、中间件和操作系统,而PaaS用户仅管理应用程序和数据,SaaS用户则无需管理任何技术层次。 选...
IaaS (Infrastructure-as-a-Service) In IaaS, the cloud service provides computing infrastructure, such as virtual machines, storage, containers, and serverless computing. PaaS (Platform-as-a-Service) In PaaS, the cloud service provides a computing platform, typically tied to a particular set of pr...
Figure 1: IaaS, PaaS and SaaS Infrastructure as a Service (IaaS): IaaS, which offers virtualized computer resources over the internet, provides the essential building blocks of cloud computing. Organizations don't need to invest in physical infrastructure to access and control virtua...
IaaS vs. PaaS vs. SaaSThe increased adoption of cloud computing environments has seen more and more businesses, big and small, move away from traditional on-premises IT solutions to software, platforms, and computing infrastructure offered as a service. So what does it mean? And what are the...
云计算(cloud computing)是一种通过互联网按需访问计算资源的技术,根据美国国家标准与技术研究院(NIST)定义:云计算是一种模型,它可以实现随时随地、便捷地、随需应变地从可配置计算资源共享池中获取所需的资源(例如,网络、服务器、存储、应用、及服务),资源能够快速供应并释放,使管理资源的工作量和与服务提供商的交...
云计算的服务模型 (Service Models of Cloud Computing) 云计算的服务模型主要分为三种类型:基础设施即服务(IaaS)、平台即服务(PaaS)和软件即服务(SaaS)。 基础设施即服务(IaaS) Infrastructure as a Service (IaaS) IaaS提供虚拟化的计算资源,如服务器、存储和网络设备。用户可以根据需要动态调整资源,适用于数据中心...
一些大的PaaS提供者有Google App Engine,Microsoft Azure,Force.com,Heroku,Engine Yard。最近兴起的公司有AppFog, Mendix 和 Standing Cloud SaaS(Software-as-a-Service,软件即服务) 第三层也就是所谓SaaS。这一层是和你的生活每天接触的一层,大多是通过网页浏览器来接入。任何一个远程服务器上的应用都可以通过网...
This page uses the traditional service grouping of IaaS, PaaS, and SaaS to help you decide which set is right for your needs and the deployment strategy that works best for you.Cloud computing models Although definitions vary from company to company, traditionally there have been three main ...
IaaS, PaaS und SaaS mit Red Hat Red Hat bietet Ihnen Optionen für IaaS, PaaS und SaaS, die Sie zu einerCloud Computing-Umgebungkombinieren können. So erhalten Sie die Infrastruktur, Plattform und Anwendungen, die Sie benötigen, ohne die Probleme anderer Lösungen. ...