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Overview What Is Cloud Computing? 13/02/54 1 Outline 2 Overview Cloud Approaches Cloud Enabling Technology Cloud Archietcture Real-World Case Study CLOUD COMPUTING Natawut Nupairoj, Ph.D. What is Cloud Computing? 4 Various definitions 3 Overview Wikipedia Web-based processing, whereby shared resources, software, and information are provided to computers and other devices (such as smartphones) on demand over the Internet Gartner a style of computing in which massively scalable IT-related capabilities are provided 'as a service' using Internet technologies to multiple external customers 1 13/02/54 Common Understanding about (Good Luck) Defining Cloud Computing Cloud Computing 5 6 Web-enabled services Software-as-a-Service (software/platform/infrastructure) “My customer resource management (CRM) system is out on the Internet!” Remote datacenter Grids vs. Clouds Shared resources via virtualization Shared Virtual Resources Batch Jobs vs. Online Applications Outsource maintenance tasks to the hosting Different Approaches to State Management organizations Network Diagrams A service is “on a cloud somewhere” Virtualization Platforms & APIs Hardware can be manipulated with software Source: F. Javadi, “Clearing the Air - Cloud Computing : Adobe Air, Google Gears and Microsoft Mesh” Grid vs. Cloud Grid Cloud Underlying concept Utility Computing Utility Computing Main benefit Solve computationally Provide a scalable complex problems standard environment for network-centric application development, testing and deployment Resource distribution / Negotiate and manage Simple user <-> provider allocation resource sharing; model; pay-per-use schedulers Domains Multiple domains Single domain Character / history Non-commercial, publicly Commercial funded 7 Source: F. Javadi, “Clearing the Air - Cloud Computing : Adobe Air, Google Gears and Microsoft Mesh” 2 13/02/54 Evolution of Cloud Architecture A Brief History 9 10 Stand-Alone Client-Server Web-Based Application ASP Cloud Computing Source: F. Javadi, “Clearing the Air - Cloud Computing : Adobe Air, Google Gears and Microsoft Mesh” Example: Amazon Web Services (AWS) Amazon S3 (March 2006) 11 Amazon EC2 12 Salesforce (August 2006) AppExchange (March 2006) Amazon EC2 Amazon S3 Elastic Cloud Computing Data Storage in Amazon virtual servers for rent Data Center priced on per hour from Web Service interface $0.10 to $1 Storage: $0.15 per Example Profile GB/Month 1.7 Ghz x86 processor Data Transfer: $0.20/GB Google App Engine (April 2008) 1.7 GB of RAM to transfer data Facebook Platform Microsoft Azure 160 GB disk Private and public storage (May 2007) (Oct 2008) 250 Mb/second network Source: F. Javadi, “Clearing the Air - Cloud Computing : Adobe Air, Google Gears and Microsoft Mesh” 3 13/02/54 Example: Google Apps 13 Web based office applications and collaboration Provide API for further customization and information accessing Application API Authentication API Etc. Google Gears for offline operations Example: Salesforce.com 16 Provide web-based CRM applications Customers just sign-up and do not have to maintain any infrastructure Currently have more than 80,000 customers (over 2,100,000 subscribers) Pricing from $5/user/month to $250/user/month 4 13/02/54 Salesforce.com CRM Functions Benefits of Cloud Computing 18 No Capital Expenditure (CapEx) Human Customer Sales & IT Compliance Capital Finance Development Service Marketing Infrastructure and Risk Pay as you go Management Pay only for what you need Workday HCMD Coupa Salesforce SFA Development IT Compliance/Ri Procure to Customer Domain Infrastructure sk Domain Salary.com Marketing Pay Service Support Elastic Capacity Salary Manager Program and Audit Controls Click to dial (CTI Concur T&E Salesforce Resource Portfolio Management Performance Integrations) Manager Content Management Management Management Event Faster time to market Manhattan Salesforce Agile Scrum Compliance Time-off Management Space & Ideas and Bug Manager IT Help Desk Lease Opportunity to Management Plateau Focus on your business Volunteer Management Quote LiveOps Learning QA Test tracking Contract Management Quote to cash Director Asset ADP Payroll Management Management Professional Sales iemployee Time Services Compensation Intranet Tracking Management Checkout E- Google Apps commerce Live Chat (Google) Source: S. Brunozzi, “2010 architecting for the cloud”, http://www.slideshare.net/simone.brunozzi/2010-architecting-for-the-cloud-4719195, 2010 Benefits of Cloud Computing Benefits of Cloud Computing 19 20 Source: S. Brunozzi, “2010 architecting for the cloud”, Source: S. Brunozzi, “2010 architecting for the cloud”, http://www.slideshare.net/simone.brunozzi/2010-architecting-for-the-cloud-4719195, 2010 http://www.slideshare.net/simone.brunozzi/2010-architecting-for-the-cloud-4719195, 2010 5 13/02/54 Benefits of Cloud Computing Suppose you are Forbes.com 20090909_Virt ualizationAnd 21 Cloud Source: S. Brunozzi, “2010 architecting for the cloud”, http://www.slideshare.net/simone.brunozzi/2010-architecting-for-the-cloud-4719195, 2010 You offer on-line real Why pay for capacity time stock market data weekends, overnight? 9 AM - 5 PM, M-F Rate of Server Accesses ALL OTHER TIMES Source: N. Wilde and T. Huber, “Virtualization and Cloud Computing”, 2009. Forbes' Solution 23 Host the web site in Amazon's EC2 Elastic Compute 24 Cloud Cloud Approaches Provision new servers every day, and deprovision them every night Pay just $0.10* per server per hour * more for higher capacity servers Let Amazon worry about the hardware! Source: N. Wilde and T. Huber, “Virtualization and Cloud Computing”, 2009. 6 13/02/54 25 Infrastructure as a Service Platform as a Service Software as a Service (IaaS) (PaaS) (SaaS) 26 Source: F. Javadi, “Clearing the Air - Cloud Computing : Adobe Air, Google Gears and Microsoft Mesh” Source: katescomment.com Infrastructure as a Service (IaaS) Platform as a Service (PaaS) 27 28 Provide computer infrastructure Provide infrastructure, system as a service software stacks, and Virtual Servers / Storages development tools Network equipments: Load Web servers, database servers, balancers, Firewalls, etc. etc. “Utility computing”, pay per use Many vendors provide services with API Simple to scale and manage Google Calendar, etc. Example: Examples Amazon EC2, S3 Google AppEngine Rackspace Mosso Yahoo! Maps GoGrid Source: http://www.zoho.com/creator/paas.html Source: http://microreviews.org/types-of-cloud-computing/ 7 13/02/54 Software as a Service (SaaS) 29 30 Complete web-based software “Pay-as-you-go” model Allow customization via parameter configuring Examples Salesforce.com Google Docs Gmail, hotmail Server Consolidation Old applications rely on 31 Cloud Enabling Technology many servers High operation cost: Adapted from maintenance, electricity, etc. • P. Strassmann, “ Introduction to Virtualization”, Heterogeneous environments George Mason University, 2008 Difficult to migrate • M. Behrens, “Virtualization Assessment” New servers are very powerful and under-utilized Some resources remain idle Reduce costs by consolidating servers 8 13/02/54 Capacity Utilization: Virtualization Concept Stand-Alone vs. Virtualization Servers 33 34 Dedicated Server Virtualized Servers Virtualization Architeture Benefits of Virtualization 35 36 Flexible Resource management Server consolidation Dynamic resource sharing Reduce power consumption Simplify maintenance Zero downtime maintenance Live migration Patch management Efficient recovery 9 13/02/54 Resource Consolidation Example: Amazon EC2 Revisited 37 38 Reduce number of physical servers Resource pooling Decrease power consumptions Flexible resource allocation Source: K. Gan and L. McMurray, “Beginner’s Guide to Cloud Computing and the Good & Bad for Developers” Amazon EC2 Management Console Amazon EC2 Launch Wizard 39 40 Source: iphp, “Get your own cloud server running in 15 minutes”, Source: iphp, “Get your own cloud server running in 15 minutes”, http://www.webdigi.co.uk/blog/2009/get_your_own_cloud_server_running_in_15_minutes/ http://www.webdigi.co.uk/blog/2009/get_your_own_cloud_server_running_in_15_minutes/ 10 13/02/54 Cloud Ecosystem 41 Cloud Architecture Public Virtual Private Cloud Cloud External Internal Private Cloud Private Cloud Enterprise Source: F. Javadi, “Clearing the Air - Cloud Computing : Adobe Air, Google Gears and Microsoft Mesh” 42 Sample Cloud Services 44 Source: F. Javadi, “Clearing the Air - Cloud Computing : Adobe Air, Google Gears and Microsoft Mesh”43 11 13/02/54 From On-Premise to Cloud Platforms From On-Premise to Cloud Platforms 45 46 Application runs Application runs Application on-premises at a hoster runs using cloud services Buy my own hardware, and Co-location “cloud fabric” manage my own or data center Managed (elastic, servers infini-scale) Source: F. Javadi, “Clearing the Air - Cloud Computing : Adobe Air, Google Gears and Microsoft Mesh” Source: F. Javadi, “Clearing the Air - Cloud Computing : Adobe Air, Google Gears and Microsoft Mesh” All acceptable options (trade off) “Packaged” Hosted “Software as a “Packaged” Hosted “Software as a 47 Application “Packaged” Service” 48 Application “Packaged” Service” An application that I buy An application that I buy A hosted pplication An application that I buy An application that I buy A hosted pplication “off the shelf” and run “off the shelf” and then that I buy from a “off the shelf” and run “off the shelf” and then that I buy from a myself run at a hoster vendor myself run at
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