Web Services
Business Drivers and Priorities
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Business Landscape
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Existing EDI infrastructure between
major trading partners |
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Internal expertise, proven VANs &
EDI translators |
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Industry standards mostly around
order/invoice cycle |
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Many "independent marketplaces" failed,
but still interest in: |
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E-Business "storefronts" |
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Major customer extranet connections |
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"Energy Trading" business model largely
unsuccessful, but |
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Logistics function still critical to
industry |
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Procurement of Oilfield Services
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Goals |
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Automate more of workflow |
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Reach wider population of smaller
trading partners |
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Technology |
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EDI / XML / WS ?? |
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ComProServ - emerging industry
consortium solution |
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Often multi-billion $ projects |
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Heavy equipment |
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Well drilling, logging services,
etc |
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Computers, office supplies, travel
miniscule spend |
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Industry spend $100's billion |
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Business Drivers
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EDI → Web Services |
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Add Business Partners |
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Small and Medium Sized Enterprises
(SMEs) |
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Lower Setup Costs |
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Decrease Dependence on Proprietary
Protocols |
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Increase Competition and
Interoperability |
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EDI experts currently skeptical about
web services satisfying basic messaging requirements. |
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Basic Messaging Requirements
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Security |
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Authentication, Authorization, |
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Privacy (HTTPS, not P3P) |
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Message Validity (got what sent) |
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Reliable Messaging |
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Non-Repudiation / Reconciliation |
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Reconciliation
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Deal with miscommunication, errors |
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Large portion of EDI day-to-day
work |
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Cannot solve just with protocols |
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Limitless ability of humans to screw
up |
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Non-repudiation usually too much |
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Legal action < 1% |
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99% good faith "What the heck
happened?" |
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Logs too little |
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Need query capability, recognizable
evidence |
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Choreography
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Solutions in-place |
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ERP and EAI systems |
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ebXML and industry specific business
specs |
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Driver to standards based infrastructure
solutions unclear |
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Major technology providers pursuing |
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Products envisaged? |
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Enable Dot Com industry hubs?? |
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Wait and see. |
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Little Current Interest
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Runtime discovery, service
composition |
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Semantic Formalisms |
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Web Peer-to-Peer |
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Multi-Party Communication |
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Agents |
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Contract automation |
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Web Services Bottom Line
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Foresee use in core business
functions |
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Need basics clearly demonstrated |
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Security |
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Reliability |
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Non-Repudiation / Reconciliation |
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