Building an IaaS System in Pe king University Weijia Song April 23, 2012 Computer Center of Peking University Outline
Introduction to Cloud Computing Potential Scenarios in College Experience with current IaaS Service Difficulties and Consideration Introduction to Computer Center of PKU
Computer Center of Peking University Introduction of Cloud Computing Utility Computing Infinite resource Pay as you go No upfront investment No Cost of Ownership power-efficient
Computer Center of Peking University Introduction to Cloud Computing Classification of serving models Infrastructure as a Service (IaaS) Platform as a Service (PaaS) Software as a Service (SaaS) Computer Center of Peking University
Introduction to Cloud Computing Infrastructure as a Service Computer Center of Peking University Introduction to Cloud Computing Platform as a Service Computer Center of Peking University
Introduction to Cloud Computing Software as a Service Computer Center of Peking University Introduction to Cloud Computing Relationship among serving models Computer Center of Peking University
Introduction to Cloud Computing Cloud Computing ecology Computer Center of Peking University Introduction to Cloud Computing Which serving model in Higher Education? SaaS: Old wine in new bottles PaaS: No urgent demand IaaS: Real demand exists, and pioneers are p
racticing Exploration starts with IaaS Service Computer Center of Peking University Outline
Introduction to Cloud Computing Potential IaaS scenarios in College Experience with current IaaS Service Difficulties and Consideration Introduction to Computer Center of PKU Computer Center of Peking University
Potential IaaS Scenarios Information Source: Brainstorm with Students Teachers Colleagues experienced with user requirements Conferences Experience from colleagues
Conclude in 5 Scenarios Computer Center of Peking University Potential IaaS Scenarios Scenario 1: Aiding Scientific Experiment Computer Center of Peking University
Potential IaaS Scenarios Scenario 2: Hosting website for student clu bs/associations Computer Center of Peking University Potential IaaS Scenarios Scenario 3: platform for young entreprene urs
Computer Center of Peking University Potential IaaS Scenarios Scenario 4:Eliminating outdated IT devices Computer Center of Peking University Potential IaaS Scenarios Scenario 5: Virtual Desktop Infrastructure f or faculty
Computer Center of Peking University Outline
Introduction to Cloud Computing Potential Scenarios in College Experience with IaaS Service Difficulties and Consideration Introduction to Computer Center of PKU Computer Center of Peking University Experience with IaaS Service We are operating a prototype IaaS System
Amazon EC2-like function Serving a group of about 200 people in a lab of computer department Over 200 virtual machines is running for Experiment: Map Reduce, NS2, etc Homepage for research group Software Development Virtual Desktop
Computer Center of Peking University Experience with IaaS Service Some technical details We adopt open-source approach for low cost and better understanding of underlying techno logy 32 Compute nodes on a blade system. Access: VPN, Reverse Proxy no 1:1 NAT OS: Windows Server, Windows 7, Ubuntu, Fe
dora, CentOS Computer Center of Peking University Experience with IaaS Service Computer Center of Peking University Experience with IaaS Service
Computer Center of Peking University Experience with IaaS Service Computer Center of Peking University Experience with IaaS Service Computer Center of Peking University
Experience with IaaS Service Computer Center of Peking University Experience with IaaS Service We are also operating an IaaS platform usi ng VMware to Hosting websites for PKU departments For better stability
Computer Center of Peking University Experience with IaaS Service Computer Center of Peking University Experience with IaaS Service Computer Center of Peking University
Experience with IaaS Service User Response: Stable Convenient Experienced users like it Computer Center of Peking University Outline
Introduction to Cloud Computing Potential Scenarios in College Experience with IaaS Service Difficulties and Consideration Introduction to Computer Center of PKU
Computer Center of Peking University Difficulties and Consideration Potential users are far from mature Few have experience with Amazon EC2 or ali ke product. Sometimes IT staff have to help in-experience d users how to use a virtual machine, for exa mple, help to setup environments for their web
applications. Can unauthorized people access my data? Is it stable? Computer Center of Peking University Difficulties and Consideration Obstacles to migrating existing application s from old devices into IaaS extra efforts
stability problems extra investment Computer Center of Peking University Difficulties and Consideration Technical Consideration Lack of IPv4 addresses IPv6 support is the trend Open-source approaches vs Commercial prod
uct Computer Center of Peking University Outline
Introduction to Cloud Computing Potential Scenarios in College Experience with current IaaS Service Difficulties and Consideration Introduction to Computer Center of PK U Computer Center of Peking University
Computer Center of PKU Founded in 1963 Responsibilities Information technology services to the cam pus Management Information System develop ment and Application in support for teaching , learning, researching and administration Computing service and technical support t o the campus community
Computer Center of Peking University Computer Center of PKU Staff: 65 people Directors Administrative Office (3) Operating Support
Division (10) Networking Division (21) MIS Division (25) Computer Center of Peking University
Computing Division (6) Computer Center of PKU Milestones of Campus network of PKU 1989: One of the first campus networks in Chinas uni versities. 1999: First campus network connected to student dor mitories among Chinas universities. 2000: First campus network connected to department
buildings for faculty and staff among Chinas universiti es. 2002: First campus-wide Wireless Network in Chinas universities. 2008: First campus network with IPv4 addresses up t o 172,000 in Chinas universities. Computer Center of Peking University Computer Center of PKU
Computer Center of Peking University Computer Center of PKU Began in 1985 Provides application system development and best practi ces for the campus and organization-specific application software in support of administrative functions, academic functions, and public service 15 Application systems onlines
Office of Financial Affairs Office of Scientific Research Office of Educational Management Office of Human Resources Graduate School Computer Center of Peking University Computer Center of PKU
Computer Center of Peking University Computer Center of PKU High Performance Computing HP Beowulf Cluster (2005) 128 nodes, 256 CPU
1.6 TFlop/s Peak Performance InfiniBand connectivity 8TB Disk Array High Throughput Computing (up to 68% utilization) Users School of Physics School of Mathematical Sciences School of Information Science and T echnology
School of Life Sciences Guanghua School of Management College of Engineering College of Chemistry and Molecular Engineering Computer Center of Peking University 10TFlop/s computing 40TB storage
In 2010 Thank you! Computer Center of Peking University
