Service Oriented Architecture Slides - Phil Windley's Technometria

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Web <strong>Service</strong>s for Data• Start Web services now:•••Incrementally expose your dataIncrementally expose your APIsThe more data and APIs that you exposethe greater the potential interoperability• Small marginal cost and high return, but…design is importantwww.windley.com
Design Principles• Every data element and collection is aresource• Every resource should have a URI• Cool URI’s don’t change•Preserve the structure of data until the lastpossible moment (i.e. return XML)• Make XML Schemas available online••www.windley.comData queries on existing resources shouldbe done with a GETUse POST to create new resources
Page 1 and 2: Service OrientedArchitectures &Web
Page 3 and 4: Traditional Architecturewww.windley
Page 5 and 6: Key Differences• Creating applica
Page 7 and 8: Loose CouplingTight Coupling Loose
Page 9 and 10: Service OrientedArchitecture Benefi
Page 11 and 12: Roles in a Service OrientedArchitec
Page 13 and 14: SOAP Example98.6www.windley.com
Page 15 and 16: Using Service OrientedArchitectures
Page 17 and 18: Asynchronous Messagingwww.windley.c
Page 19 and 20: Service Aggregatorswww.windley.com
Page 21 and 22: www.windley.comThe Williams FamilyL
Page 23: www.windley.comLegacy Data
Page 27 and 28: www.windley.comBrainstorming TwoWeb
Page 29 and 30: Why RSSWorkPortalNYTLocalPaperParkD
Page 31 and 32: How Do I Find RSS?www.windley.com
Page 33 and 34: www.windley.comFeedreaders
Page 35 and 36: Using RSS• Aggregate feeds onto W
Page 37 and 38: Why RSS, Part II• Simple, HTTP-ba
Page 39 and 40: Example Web Services• Common Paym
Page 41 and 42: SOAP ResponseReturn code: 100Auth c
Page 43 and 44: Summary• First steps:• Don’t
Page 45 and 46: www.windley.comAppendix
Page 47 and 48: Messaging Pattern:Publish and Subsc

Service Oriented Architecture Slides - Phil Windley's Technometria

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