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Chapter 11

ITM100 Chapter 11 Enterprise Architectures.docx

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Information Technology Management
ITM 100
Ron Babin

ITM100 Chapter 11 Enterprise Architectures Lecture 12: Exam SCM, PIPEDA, DSS, FRID, CRM, DRP/BCP, EIS, SDLC, SOA, Enterprise Aritchculture ERP, CRM Understand the concepts Wed, 3PM 1 Question on Deltotie Opening Case: Virgin Mobile Enterprise Architectures lies at the heart of most companies operating capabilities. (Make smart choices of technology) Multiply or many operating systems (CRM) drives the cost through the roof One operating system holds everything EA – includes the plans for how an organization builds, deploys, uses and shares its data, processes and IT assets. Standardize EA - wide hardware and software systems with tighter links to the business strategy Solid EA - can decrease cost, increase standardizations, promote reuse of IT assets and speed development of new systems, the end result being that the right EA can make IT cheaper, strategic and more responsive. Primary business goals for EA: - Reduce cost/improve productivity - Improve customer satisfaction - Create competitive advantages - Generate growth - Generate new revenue streams - Optimize the supply chain Global – what are the standards or laws different part of the worlds Enterprise architect – person grounded in technology, fluent in business, a patient diplomat and provides the important bridge between IT and business. (keeps track of records) Building Blocks of Enterprise Architecture Data Architecture: identifies where and how important data, like customer records, are maintained and secured - Backup and recovery (BCP) – Business continuity planning: plan for how an organization will recover and restore partially or completely interrupted critical functions w/I predetermined time after a disaster or extended disruption - Redundant araid – records twice, ones for the real and the other backup - Disaster Recovery – plan to restore and responsibilities (Disaster Recovery Plan (DRPs) Long system down, cost more Business Continuity Planning (BCP) – indicates how an organization will restore interrupted critical functions w/I a pre-determined time. (Long term to get back to stable) - Security – managing user access and up to date antivirus + patches Infrastructure Architecture: includes the hardware, software and telecommunications equipment that, when combined, provide the underlying foundation to support the organization’s goals - Flexibility - Scalability: refers to how well a system can adapt to increased demands Capacity planning: determines the future IT infrastructure requirements for new equipment and additional network capacity - Reliability: ensures that all systems are functioning correctly and providing accurate information - Availability: (an efficiency IT metric) addresses when systems can be accessed by users. High availability – refers to a system or component that is continuously operational for desirably long length of time - Performance: measures how quickly a system performs a certain process or transaction (in terms of efficiency IT metrics of both speed and throughput) Application Architecture: determines how applications integrate and relate to each other *How apps integrate or works together. - Web Services: contains a repertoire of Web-based data and procedural resources that use shared protocols and standards permitting different applications to share data and services Interoperability – is the capability of two or more computer systems to share data and resources, even though they are made by different manufacturers Events- type of apps that monitors a business process
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