09/06/[email protected] strategy directorate web services technologies diane...
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09/06/2003 [email protected] Information Strategy
Directorate
Web Services Technologies
Diane McDonald, Strathclyde University
Institutional Web Managers Workshop - 2003
Parallel Session C5
09/06/2003 [email protected] Information Strategy
Directorate
Proposed Structure09:15–09:20
Introduction to session
09:20–09:30
Brief overview of Web Services Technologies
09:30-09:40 Brainstorming session to identify potential usage scenarios in HE/FE.
09:40-10:10Group discussion to investigate how the opportunities identified could be realised.
10:10-10:15 Report back
10:15-10:30 Discussion to devise a way forward.
09/06/2003 [email protected] Information Strategy
Directorate
Background• e-commerce• Enterprise Application Integration• Object Orientated too complicated
New methodologies and tools required.New methodologies and tools required.
• Key requirements– Reuse of applications and resources– Cost-effective to implement
09/06/2003 [email protected] Information Strategy
Directorate
What are Web Services ?
• ‘framework of self contained modular applications that can be made available, discovered and executed over the network by remote programs’
publish, discover, interact
09/06/2003 [email protected] Information Strategy
Directorate
WST Core Standards• SOAP : (Simple Object Access Protocol)
–Lightweight XML-based protocol for transfer of structured data and type info
–Features› Message / Envelope› Stateless, Utilises underlying network
protocols› RPC, Message Exchange Patterns (MEP)
–SOAP 1.1 (1.2 W3C working draft)
09/06/2003 [email protected] Information Strategy
Directorate
WST Core Standards
– ‘describes how to interpret the messages, how to contact the WS and what protocols to use’
– uses standard XML schema– does not deal with business logic– WSDL 1.2 W3C working draft
•SOAP•WSDL : Web Service Definition Language
09/06/2003 [email protected] Information Strategy
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WST Core Standards
– Information repository and query services– UBR – Universal Business Registry– UDDI 3.0 OASIS/UDDI.org
• SOAP• WSDL• UDDI:Universal Data Description and Integration
09/06/2003 [email protected] Information Strategy
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WST Players
• Developers– HP– Microsoft, IBM, Sun, BEA Systems, Many
other application developers
• Standards Organisations– OASIS– W3C (World Wide Web Consortium)– WS-I (Web Services Interoperability
Organisation)
09/06/2003 [email protected] Information Strategy
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The Issues
• Standards• Business Logic• Security and Trust Models• Uptake of Web Services• Business Models
09/06/2003 [email protected] Information Strategy
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Potential Usage Scenarios - General
• Business– Enterprise application integration– E-commerce
• Application Integration• Portals and Portlets
09/06/2003 [email protected] Information Strategy
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Discussion 1 - All
Aim: Identify potential scenarios for use of WST within the HE/FE community
•MLEs?•Portals and Portlets?•Information Environments?•Tools?
•MLEs?•Portals and Portlets?•Information Environments?•Tools?
Community-wide infrastructure?Community-wide infrastructure?
09/06/2003 [email protected] Information Strategy
Directorate
Discussion 2 - Groups
Discuss: What are the:• advantages?• risks?• barriers to implementation?
– technical, cultural, business, other?
2 Groups : 1 technical, 1 strategic
Agree on raconteur
2 Groups : 1 technical, 1 strategic
Agree on raconteur
Aim: Analyse the factors that will effect use of Web Services within HE/FE.
09/06/2003 [email protected] Information Strategy
Directorate
Discussion 3 - All
Summary:– What?– By whom?– Timescales?
Technical workshops, exemplars, CoPExample Business Cases, implementation studies, CBA
Technical workshops, exemplars, CoPExample Business Cases, implementation studies, CBA
JISC, UCISA, W3C etc?JISC, UCISA, W3C etc?
TechnicalTechnical
StrategicStrategic
Aim: Identify the advice and guidelines required by the community.