This document discusses different types of cloud computing models including Software as a Service (SaaS), Platform as a Service (PaaS), and Infrastructure as a Service (IaaS). It defines each model and provides examples. It also discusses issues with traditional on-premise infrastructure, platform, and software management. Finally, it summarizes cloud computing as pooled computing resources delivered over the web in various service models.

1. Cloud Computing Muhammad Bilal Siddiqui Solutions Delivery Lead– Motorola Mobility Inc [email_address] October 13, 2011

3. What is Infrastructure Collection of software, hardware and people that provide IT services and support for Organizational activities What is Platform Collection of hardware devices and Software services that are connected together to provide computing capabilities for organizational activities and business applications. What is Software Business Oriented set of tools that provide business services for Customers, vendors and other business related entities (shopping cart, payment process, Accounting)

4. Security Accounting Finance Sales Management Customer Support Access Control Operating System Windows / Unix Web Server MS IIS / Tomcat Email Server MS Exchange Database SQL Server / Oracle Infrastructure Platform Software Users

6. Internet Security Accounting Finance Sales Management Customer Support Access Control Operating System Windows / Unix Web Server MS IIS / Tomcat Email Server MS Exchange Database SQL Server / Oracle

7. Internet Security Accounting Finance Sales Management Customer Support Access Control Operating System Windows / Unix Web Server MS IIS / Tomcat Email Server MS Exchange Database SQL Server / Oracle

8. Software As A Service (SaaS) Short for Software as a Service, SaaS is a software delivery method that provides access to software and its functions remotely as a Web-based service . Software as a Service allows organizations to access business functionality at a cost typically less than paying for licensed applications since SaaS pricing is based on a monthly fee. Also, because the software is hosted remotely, users don't need to invest in additional hardware. Software as a Service removes the need for organizations to handle the installation, set-up and often daily upkeep and maintenance . Software as a Service may also be referred to as simply hosted applications

9. Internet Security Accounting Finance Sales Management Customer Support Access Control Operating System Windows / Unix Web Server MS IIS / Tomcat Email Server MS Exchange Database SQL Server / Oracle

10. Platform As A Service (PaaS) Short for Platform as a Service, PaaS is defined as a computing platform being delivered as a service. Here the platform is outsourced in place of a company or data center purchasing and managing their own hardware and software layers. Typically, PaaS facilitates deployment of applications, application development, testing, and also supports the building, testing and hosting of Web applications . PaaS enables IT to develop, test, deploy, host, and also update from a single streamlined environment .

11. Security Accounting Finance Sales Management Customer Support Access Control Operating System Windows / Unix Web Server MS IIS / Tomcat Email Server MS Exchange Database SQL Server / Oracle

12. Infrastructure As A Service (SaaS) Short for Infrastructure as a Service, IaaS is defined as computer infrastructure, such as virtualization, being delivered as a service. IaaS is popular in the data center where software and servers are purchased as a fully outsourced service and usually billed on usage and how much of the resource is used - compared to the traditional method of buying software and servers outright. May also be called enterprise-level hosting platform.

14. SalesForce Gmail GoDaddy.com eBay Amazon FileShare Company A Company B Company C Company D Company E Company F Company G Company H Company I Company J Cloud Computing

16. Cloud Computing – The Truth Behind Cloud computing is nothing new, Cloud computing is wrongly claimed to be the future. Cloud computing is out there for number of years, Cloud computing is not the solution of everything Cloud computing is not the best fit for every business model Cloud computing has a real value if properly utilized Cloud computing will change the way business works. The future is about developing a business model that uses the features of Cloud computing.

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