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BA 372 Midterm

BA 372 Midterm. Review. Marketecture / Tarchitecture. Influences Problem Domain Ilities Marketecture and Tarchitecture Collide Technology Base Human Influences on This Results now while considering the long run Future Support Needs Architecting for a Class of Needs

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BA 372 Midterm

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  1. BA 372 Midterm Review

  2. Marketecture / Tarchitecture • Influences • Problem Domain • Ilities • Marketecture and Tarchitecture Collide • Technology Base • Human Influences on This • Results now while considering the long run • Future Support Needs • Architecting for a Class of Needs • Harnessing Feedback • Include Developers • Risks Associated w/ This

  3. Marketecture / Tarchitecture (2) • Clarity in Communication • Both Must Understand the Problem Domain • Worse if Markitect doesn't understand it • Each benefits from understanding the other • Agreement on Project Management • Common Language (e.g. UML) • Make Data Available

  4. SQL Queries • Project Action • SELECT • Join Action • FROM • Select Action • WHERE

  5. Portability • Supposed vs. Real Motivations • Real Motivations • It is Cool • Early Customer Requests • Costly • Doesn't Compensate for a Poor Product • Matrix of Pain

  6. Interoperability

  7. SOA • Webservices • REST • Easy to Access • Parameters in URL • Not Well Defined • SOAP • Machine Readable • More Complex Inputs • Well Defined • Bloated (XML adds data)

  8. XML • Formats a.k.a. Schemas • MATHML • MUSICML • Well Formed

  9. UML • Use Case Diagram • Shows Scope • Static Class Diagram • ERD Shows Entities and Relationships • Sequence Diagram • Process Shows Flow of Methods

  10. Human Motivations • Resumé Driven Design • Sense of Wholeness • Giving In To Great Architectures

  11. Good Architecture • Encapsulation • Loose Coupling • High Cohesion • Interfaces • Parameterization • Deferring Uncertain Decisions

  12. Success breed failure • Market Pressure w/ No Architectural Support • Technical Debt • Entropy • Entropy Reduction

  13. Technological Currency

  14. Rational 4+1 • Logical View • Development View • Process View • Physical View

  15. HTTP • Request • Request Line • Method • Address • Http Version • Headers • Body • Response • Response Line • Version • Status Code • Status Description • Headers • Body

  16. HTTP (2) • Stateless

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