BS 372 Midterm - Oregon State University

BA 372 MIDTERM Review 1 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 2 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 3 SQL Queries

Project Action Join Action SELECT FROM

Select Action WHERE 4 Portability Supposed vs. Real Motivations Real Motivations It is Cool

Early Customer Requests Costly Doesn't Compensate for a Poor Product Matrix of Pain 5 INTEROPERABILITY 6

SOA Webservices REST Easy to Access Parameters in URL Not Well Defined SOAP

Machine Readable More Complex Inputs Well Defined Bloated (XML adds data) 7 XML Formats a.k.a. Schemas MATHML MUSICML

Well Formed 8 UML Use Case Diagram

Static Class Diagram Shows Scope ERD Shows Entities and Relationships Sequence Diagram Process Shows Flow of Methods 9

Human Motivations Resum Driven Design Sense of Wholeness Giving In To Great Architectures 10 Good Architecture

Encapsulation Loose Coupling High Cohesion Interfaces Parameterization Deferring Uncertain Decisions 11 Success breed failure

Market Pressure w/ No Architectural Support Technical Debt Entropy Entropy Reduction 12 TECHNOLOGICAL CURRENCY

13 Rational 4+1 Logical View Development View Process View Physical View 14

HTTP Request Request Line Method Address Http Version Headers Body Response Response Line Version

Status Code Status Description Headers Body 15 HTTP (2) Stateless 16

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