Web Services
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Web Services Barcelona, October 2002 Frank Bermann [email protected] Dipl.-Ing (RWTH-Aachen), GeM (ESADE)
description
Web Services. Barcelona, October 2002 Frank Bermann [email protected] Dipl.-Ing (RWTH-Aachen), GeM (ESADE). Contents. Introduction Types of Web Services WS-Implementation. Introduction. What are Web Services?. - PowerPoint PPT Presentation
Transcript of Web Services
Contents Introduction Types of Web Services WS-Implementation
Introduction
Company B Company A
What are Web Services?
Web Services are direct computer-to-computer communication, based on Internet and XML technologies
Same as EDI, but 5-10 times cheaper
ERP ERPIntern
etXMLXML
Example: Dell
Certain computer components lose half of their value every 3 months.
Maturing Market: PCs becoming commodity, high price pressure
JIT (reduce stock of critical components)
Collaborative demandplanning
ClientDell
Example: Dell
What did Dell do?
ClientDellProviderProvider
Internet Sales (www.dell.com)
Propagate demand and production information to the providers
Build to order (get trends)
Example: Dell
Results: HPCompaq
ClientDellProviderProvider
Eliminated HP and Compaq from main-stream market
Types of WS
The Connected Supply ChainSuppliers
ContractManufacturers
SupplierExchanges
LogisticsExchanges
CustomerExchanges
VirtualManufacturers
Manufacturers
WhosaleDistributors Logistics
Providers
Customers
Information FlowGoods Flow
Source: AMR, 2000
Logistics Providers
The Connected Supply Chain
Providers Manufacturers Distribut. Clients
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Types of Web Services
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1. B2C Commerce or Wireless
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2. Distribution Chain Services
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3. Intra-company distributed systems services
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4. Supplier Network Services
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5. Services amongst suppliers
How to Implement?
Catalonian Pymes? Dell is a large and sophisticated company. The Dell systems are based on EDI
WS are 5-10 times cheaper then EDI WS don‘t need technological
sophistication
Providers
Microsoft Introducing .Net with all new Windows version.
Bill Gates says that .Net is as important as the introduction of Windows.
„.Net“ is the base of Passport and many other services.
IBM Competition to M$, aligning all of its products
with Web Services (Java, WebSphere) „Web Services Toolkit“ released to the public
domain
Players
Basically Everybody XML and WS is being adopted as the future
standard for systems intercommunication SAP uses WS as interface to its system OMG, EAN, …
Standardization Associations ebXML, OASIS, OMG, EAN, … Basically every industry association
The Future
Hype or Revolution
Java (successful)– Slow adoption (Back-Office)– Early support from many players
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Hype (Media) Adoption (Users)
Hype or Revolution
Webcasting “Marimba” (failure)– Fast adoption (Front-Office)
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Hype (Media)
Adoption (Users)
Hype or Revolution
Web Services (???)– Very slow adaptation (Back-office)– Even more support than Java
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Hype
Adoption
