通常,它的服务类型分为三类,即基础设施即服务(IaaS)、平台即服务(PaaS)和软件即服务(SaaS)。这3种云计算服务有时称为云计算堆栈,因为它们构建堆栈,它们位于彼此之上,以下是这三种服务的概述: [6] 1、基础设施即服务IaaS)基础设施即服务是主要的服务类别之一,它向云计算提供商的个人或组织提供虚拟化计算资源,如...
Different service models have arisen in the constantly changing world of cloud computing to meet a range of corporate objectives and IT requirements. This article explores the intricacies of the IaaS (Infrastructure as a Service), PaaS (Platform as a Service), and SaaS (Software ...
四、IAAS、PAAS和SAAS的比较 虽然IaaS、PaaS和SaaS各具特点,但它们之间存在着层次关系。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、...
The article explains cloud computing models: public cloud, private cloud, community cloud, hybrid cloud; IaaS, PaaS, SaaS.
Cloud Computing Technologies This paper outlines the key characteristics that cloud computing technologies possess and illustrates the cloud computing stack containing the three essential services (SaaS, PaaS and IaaS) that have come to define the technology and its... S Carlin,K Curran - 《Internatio...
Take this quiz at any time to see how much you know about IaaS, PaaS and SaaS in cloud computing. The online questions are interactive and the...
CloudComputing:IaaSPaaSSaaS 云服务( Cloud Computing) ,是一种基于 互联网 的计算方式,通过这种方式共享的软硬件资源和信息可以按需提供给计算机和其他设备。 “云”,其实是互联网的一个隐喻,“云计算”其实就是使用互联网来接入存储或者运行在远程服务器端的应用,数据,或者服务。
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...
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...
Understanding the differences between traditional cloud computing models—Infrastructure as a Service (IaaS), Platform as a Service (PaaS), and Software as a Service (SaaS)—and what deployment strategies you can use can help you decide what set of services is right for your needs. While the ...