REVIEW FOR EXAM 3The Internet and eBusinessBrief history of the InternetAccessing the Internet (www)Internet applications/servicesPortalSummary QuestionsInformation Systems for Business Integration: ERP SystemsBusiness Integration?Systems for Horizontal IntegrationERP Components (or Modules)Slide 12Slide 13Factors in ERP System SuccessSlide 15Review QuestionsInformation Systems for Business Integration: EDI, SCM, CRM SystemsSupply Chain Management SCMSupply ChainSlide 20SCM ProcessEDI: a SCM TechnologyEDI: SCM TechnologySCM information systemCustomer Relationship Management CRMCRM systemsGoals of CRM systemsSlide 28Slide 29Managing SecurityBest way to prepareManaging the Development and Purchase of ISSystems Development Methodology?QuestionsTraditional Systems Development Life Cycle (SDLC)QuestionPlanningSystems AnalysisSlide 39Data Flow Diagrams (DFD)DFD ExerciseSystems DesignDevelopmentDevelopment toolsTestingImplementationMaintenanceSlide 48SDLC: Recap1REVIEW FOR EXAM 3BUS3500 - Abdou Illia, Spring 20092The Internet and eBusinessPart 13Brief history of the Internet1969 The Defense Advanced Research Projects developed ARPANET, the precursor of the Internet1971 Ray Tomlison invents e-mail1979 USENET newsgroups created at Duke University and the University of North Carolina1984 Domain Name System (DNS) established1991 Tim Berners-Lee creates the World Wide Web1994 First online shopping mall, first spam email, first pizza ordered online, first advertisement banner2000 A major denial of service attack brings down websites such as Yahoo!, Amazon.com, and eBay2002 Denial of service attack knocks out 8/15 root DNS serversMake sure you know what DNS is used for.4Webserver needs:- Network (or Server) Operating System- TCP/IP- Domain name (e.g. eiu.edu)- Internet access - IP Address (e.g. 139.67.8.3)User PC needs:- Workstation Operating System- TCP/IP- Web browser (e.g. Internet Explorer)- Internet access (e.g. thru an ISP)- IP Address (e.g. 128.150.50.9)Accessing the Internet (www)NetworkWeb BrowserPacketRouterPacketRouteWebserverSoftware5Internet applications/servicesE-MailFile transfersInstant messaging (IM)NewsgroupsStreaming audio and videoInternet telephonyWorld Wide Web (WWW)Portal6PortalPortalWeb site that offers a broad array of resources and services; such asemailnewsgroupSerach enginesOnline shopping mallsExample: yahoo!, msn, aol7Summary QuestionsRefers to the slide # in class posted notesBook Notes1) (a) Name some Internet applications/services (b) What is Instant Messaging? (c) What is a newsgroup?9,14, 152) (a) What does a user PC needs for accessing the World Wide Web? (b) What is needed on the webserver side?73) Name some Internet connection options available for residential users and businesses.5-64) What is meant by podcasting?165) (a) What is an intranet? (b) an extranet? (c) a portal18,198Information Systems forBusiness Integration: ERP SystemsPart 29Business Integration?SalesDepartmentLogisticsDepartmentProductionDepartmentHorizontalIntegrationVerticalIntegrationSuppliersCustomersQ: what is meant by horizontal business integration? Vertical?10Systems for Horizontal IntegrationEnterprise Resource Planning (ERP) systemsintegrate all the internal processes through a common information system (or an integrated set of info systems) ERP systemSalesDepartmentLogisticsDepartmentProductionDepartmentWarehousingMarketingDepartmentAccountingDepartmentProcess1 Process2Process1 Process2Process1 Process2 Process1 Process2Process1 Process2 Process1 Process2CommonDatabase11ERP Components (or Modules)Two types of componentsCore ERP ComponentsExtended ERP ComponentsCore ERP ComponentsTraditional components found in most ERP systemsThey primarily focus on internal operationsCommonDatabaseFinance &AccountingManufacturing** Also called Production & Material Management* Helps from new products development to actual production* Handles demand forecasting, production planning, production scheduling, quality control, etc.HumanResource12ERP Components (or Modules)Extended ERP ComponentsExtra components that might be includedThey primarily focus on external operationsCommonDatabaseCustomerRelationshipManagementSupplyChainManagementBusinessIntelligence1E-Business21 Provide information that help users in decision-making1 Collects info used throughout the organization, organize it, and uses analytical tools to help decision-making process2 Includes e-logistics (managing transportation & storage of goods over the Internet) and e-procurement (B2B purchase & sale of supplies & services over the Internet)13ERP Components (or Modules)ERP mainly used by medium and large businessesAverage lifetime cost: $15 Million (2003 surveys)Implementation process: up to 5 yearsThe largest vendors worldwide in 2005 according to Gartner Dataquest# Vendor Revenue(million$)Marketshare(%)1 SAP 4726 28.72 Oracle Applications* 1674 10.23 The Sage Group 1221 7.44 Microsoft Dynamics 616 3.75 SSA Global Technologies 464 2.8* In January 2005, Oracle bought PeopleSoft the 3rd player until then.14Factors in ERP System SuccessActive support of upper managementHaving the best people on the implementation teamManaging the time line wellUser involvement in the planning and implementing ERP systems15Summary QuestionsBook Notes1) What is the difference between Horizontal integration and Vertical integration? What could be the consequences of a bad horizontal integration?5,62) What kind of information system is typically used by organizations for horizontal integration? 73) What are the core modules found in ERP systems?.?104) What does the Manufacturing ERP component allow? Name some of the activities it handles105) Name the major three ERP software vendors 126) What are the success factors of ERP implementation?14Refers to the slide # in class posted notes16Review QuestionsMake sure you can answer the following questions about ERP:Chapter 10 Review Questions available in the Notes’ section of the course web site.17Information Systems forBusiness Integration: EDI, SCM, CRM SystemsPart 2 (Cont.)18Supply Chain Management SCM19Supply ChainSupply Chain includes parties involved in the procurement of product or raw materialUpstream partiesDownstream parties20Supply Chain Management SCMSCM implies the management of information flow between a company and upstream and downstream parties of