分分钟了解云计算.ppt

An Introduction to  Cloud Computing Lecturer: Cao Yang Date: 2010.05.22 Cloud Computing is Engineering definition Providing services on virtual machines allocated on top of a large physical machine pool Business definition A method to address scalability and availability concerns for large scale applications 2/12 Step by step: 1 3/12 Step by step: 2 4/12 Step by step: 3 5/12 Step by step: 4 6/12 7/12 The meaning of “Cloud” “A cloud is a huge collection of tiny droplets of water. Some of those droplets will fall on my yard, providing the trees and bushes with water. Some will fall onto land where it will run off into the reservoir which my drinking water comes from.” Cloud Computing Architecture 1 8/12 Cloud Computing Architecture 2 IBM Monitoring v.6 DB2 Provisioning Management Stack Provisioning Manager v.5.1 WebSphere Application Server Monitoring Provisioning Baremetal Xen VM Open Source Linux with Xen Tivoli Monitoring Agent Virtualized Infrastructure based on Open Source Linux Xen Virtual Machine Virtual Machine Virtual Machine Virtual Machine Data Center – System x Apache Cloud computing infrastructure to support the academic initiative can be delivered either as hosted or onsite solution. 9/12 Benefit: to enterprise Web 2.0 applications Provide rich user experience including real-time global collaboration Enable rapid software development Software to scan voluminous Wikipedia edits to identify spam Organize global news articles by geographic location Data-intensive workloads based on scalable architectures, such as Google’s MapReduce framework Financial modeling, real-time speech translation, Web search Next generation rich media, such as virtual worlds, streaming videos, Web conferencing, etc. 10/12 Benefit: to person Desktop to Web Users may no longer have to be tethered to a traditional computer to use an application. Any device that can access the Internet will be able to run a c