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SAGE Computing Services Customised Oracle Training Workshops and Consulting Chris Muir Oracle Consultant and Trainer

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Presentation on theme: "SAGE Computing Services Customised Oracle Training Workshops and Consulting Chris Muir Oracle Consultant and Trainer"— Presentation transcript:

1 SAGE Computing Services Customised Oracle Training Workshops and Consulting Chris Muir Oracle Consultant and Trainer  Oracle ACE Director - Fusion Middleware SOA Lite: A taste of SOA with a smidgen of web services How to avoid the SOA 5 course meal stomach ache with a light web service snack

2 Agenda Web Service: ABCs Pitfalls Challenges 2/15

3 Part I: Web Services Photo thanks to Flickr.com under CC3/15

4 Web Services 101 System to system data integration Consumer (client) & Publisher Share data System interoperability Standardized Low cost internet delivery Loosely coupled Key Benefits Photo thanks to Flickr.com under CC4/15

5 What You Need to Know HTTP XML + XSD SOAP – Terminology – Styles – Envelopes WSDLs + SoapUI For ExpertsFor Beginners WS-Security UDDI REST Photo thanks to Flickr.com5/15

6 Developing and Consuming Web Services Session 5 - Tuesday - Susan Duncan Unleashing Legacy Business Logic Session 6 - Tuesday - Dai Clegg Step-by-step Web Service Creation and Integrating or Using an Existing Web Service Tutorial Session 6 - Tuesday - Bradley Brown Developing Your First Web Service Session 13 - Wednesday - Chris Ostrowski 6/15

7 Oracle's WS Development Paths Complex: SOA Easier: Java EE Easiest: Database Photo thanks to Flickr.com7/15

8 Back to Basics: Simple Database Web Services How to consume and publish web services with an Oracle database without getting a headache using an Application Server, SOA etc SAGE Computing Services Customised Oracle Training Workshops and Consulting Chris Muir Oracle Consultant and Trainer  Oracle ACE Director - Fusion Middleware 8/15

9 Part II: Web Service Pitfalls Photo thanks to daniel villar Flikr.com under CC9/15

10 Yesterday's Web Services Poor documentation Little vendor support Changing standards Immature security standards Inter-organisation challenges Back in the good bad ol'days Photo thanks to Flickr.com under CC Today's 10/15 (Cough Cough) Near - Universal x 2 x 3 x 4 Good Huge Implementation choice: SOAP vs REST Confusing

11 Web Service Pitfalls Bypassing security Huge XML documents Large data transfers Breed horrible XML standards Forgetting transactions Intersystem data coupling How to shoot yourself in the Web Service foot Photo thanks to Jose Flickr.com11/15

12 Part III: Web Service Challenges Photo thanks to Flikr.com under CC12/15

13 The Project Challenge Missing/poor documentation Missing/poor test environments Network and server connectivity Firewalls...the bits that will destroy your plans & estimates...but you'll only discover when the project starts Photo thanks to Flickr.com13/15

14 The Business Challenge Be wary of the service level agreement (SLA) Don't rely on web services for critical systems Beware misplaced trust Photo thanks to Flickr.com under CC 14/15

15 SAGE Computing Services Customised Oracle Training Workshops and Consulting Presentations are available from our website: Photo thanks to Flickr.com under CC 15/15


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