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Building an E-Commerce Website

Chapter 4. Building an E-Commerce Website. Kim Cygan * Sandra Visentin * Katie Spears GRADUATE PROJECT. PLANNING. Systems Development Life Cycle Systems Analysis/Planning Systems Design Building the System Testing Implementation. System Analysis. Business objectives:

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Building an E-Commerce Website

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  1. Chapter 4 Building an E-Commerce Website Kim Cygan * Sandra Visentin * Katie Spears GRADUATE PROJECT

  2. PLANNING • Systems Development Life Cycle • Systems Analysis/Planning • Systems Design • Building the System • Testing • Implementation

  3. System Analysis • Business objectives: • List of capabilities you want your site to have • Display goods, provide information, execute transaction, etc. • System functionalities: • List of information system capabilities needed to achieve business objectives • Digital catalogue, product database, shopping cart, etc. • Information requirements: • Information elements that system must produce in order to achieve business objectives • Dynamic text and graphics catalogue, product description, site long for customer visits, secure credit card clearing, etc.

  4. System Design • System design specification: • Description of main components of a system and their relationship to one another • Two components of system design: • Logical design • Data flow diagrams, processing functions, databases • Physical design • Specifies actual physical, software components, models, etc.

  5. Building the System • Outsourcing: hiring vendors to provide services involved in building site • Build own vs. outsourcing: • Build your own requires team with diverse skill set; choice of software tools; both risks and possible benefits • Host own vs. outsourcing • Hosting: hosting company responsible for ensuring site is accessible 24/7, for monthly fee • Co-location: firm purchases or leases Web server (with control over its operation), but server is located at vendor’s facility

  6. Testing and Implementation • Testing • Unit testing • System testing • Acceptance testing • Implementation and maintenance: • Maintenance is ongoing • Maintenance costs • Costly • Not always budgeted for • Parallel to developmental cost • Benchmarking

  7. Architecture • System architecture • Arrangement of software, machinery, and tasks in an information system needed to achieve a specific functionality • Two-tier • Web server and database server • Multi-tier • Web application servers • Backend, legacy databases

  8. E-Commerce Merchant Server Software • Online Catalog • Simple sites • Text and pictures • Large companies • Sound, animation, videos, etc. • Shopping Cart • Credit Card Processing

  9. Merchant Services Software Packages • Integrated environment with most or all of functionality needed • Key factors in selecting a package • Functionality • Support for different business models • Business process modeling tools • Visual site management and reporting • Performance and scalability • Connectivity to existing business systems • Compliance with standards • Global and multicultural capability • Local sales tax and shipping rules

  10. Choosing the Hardware • Hardware platform: • Underlying computing equipment that system uses to achieve e-commerce functionality • Objective: • Enough platform capacity to meet peak demand without wasting money • Important to understand the different factors that affect speed, capacity, and scalability of a site

  11. Right-Sizing Your Hardware Platform: The Supply Side • Scalability: • Ability of site to increase in size as demand warrants • Ways to scale hardware: • Vertically • Increase processing power of individual components • Horizontally • Employ multiple computers to share workload • Improve processing architecture • Combination of the two

  12. http://saycheesecake.mfbiz.com/ “Say Cheesecake”

  13. http://shop.thecheesecakefactory.com/webapp/wcs/stores/servlet/Home_-1_10251_10001http://shop.thecheesecakefactory.com/webapp/wcs/stores/servlet/Home_-1_10251_10001 How Payments Works

  14. Questions?

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