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?
 Web Services are direct computer-tocomputer communication, based on
Internet and XML technologies
 Same as EDI, but 5-10 times cheaper
Company B
ERP
Company A
XML
Internet
XML
ERP
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
demand
planning
Dell
Client
Example: Dell
What did Dell do?
 Internet Sales (www.dell.com)
 Build to order (get trends)
 Propagate demand and production
information to the providers
Provider
Provider
Dell
Client
Example: Dell
Results:
 Eliminated HP and
Compaq from mainstream market
Provider
Provider
Compaq
HP
Dell
Client
Types of WS
The Connected Supply Chain
Whosale
Distributors
Suppliers
Logistics
Providers
Manufacturers
Customers
Logistics
Exchanges
Supplier
Exchanges
Customer
Exchanges
Virtual
Manufacturers
Contract
Manufacturers
Information Flow
Goods Flow
Logistics Providers
Source: AMR, 2000
The Connected Supply Chain
5
Providers
4
3
Manufacturers
2
1
Distribut.
Clients
Types of Web Services
5
4
3
2
1
1. B2C Commerce or Wireless
2. Distribution Chain Services
3. Intra-company distributed systems
services
4. Supplier Network Services
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
Hype
(Media)
1996
1997
1998
1999
Adoption (Users)
2000
2001
2002
2003
2004
2005
2006
Hype or Revolution
 Webcasting “Marimba” (failure)
– Fast adoption (Front-Office)
Hype
(Media)
Adoption (Users)
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
Hype or Revolution
 Web Services (???)
– Very slow adaptation (Back-office)
– Even more support than Java
Hype
Adoption
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
http://www.fraber.de/
mailto:[email protected]
tel: +34 609 953 751