KFK Vorlesung SEW AT Lecture 4

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KFK Vorlesung SEW / ATLecture 4

• Technical applications of hierarchic view
• (see article)
• Buffering (sandwiching)
• Web Services
• technical value
• businessl value

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Toward a hierarchic view of software integration
Programs on mainframe ca. 1960
Program
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Toward a hierarchic view of software integration
Language 1 (FORTRAN)
Data files
Language 2 (COBOL)
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Toward a hierarchic view of software integration
Format 1
Database
Format 2
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Toward a hierarchic view of software integration
DB Format 1
Application interface
DB Format 2
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Toward a hierarchic view of software integration
Format 1
DB Format 1
Application interface
DB Format 2
Format 2
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Toward a hierarchic view of software Integration
Application interface
DB Format 2
DB Format 1
Format 2
Format 1
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A general hierarchic view of software Integration
Use
Contract
Use
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Toward a hierarchic view of software Integration
Contract Format (buy)
Banker, broker
Contract Format 2 (rent)
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Toward a hierarchic view of software Integration
Use
Contract
Broker
Contract
Use
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Toward a hierarchic view of software Integration
Use
Contract
Broker
Bourse
Broker
Contract
Use
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How transparent is the hierarchy?
Bourse
Broker
Broker
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How transparent is the hierarchy?
Bourse
Contract
Contract
Use
Use
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How transparent is the hierarchy?
Bourse
Use
Use
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Toward a hierchical view of software Integration
Bourse
Broker
Broker
Contract
Contract
Use
Use
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A hierarchy!
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Current software Integration
Object Format 1
Object broker
Object Format 2
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Potential software Integration
Object broker Format 1 ORB
ORB
Object broker Format 2 COM
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Object Request Broker
ORB
Client
Object
Object
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Potential software Integration
Object broker Format 1 ORB
XML ?
Object broker Format 2 COM
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Web Service
HTTP
Client
SOAP
Object
Object
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Toward a hierchical view of software Integration
User
SOAP
HTTP
Web Site
HTTP
SOAP
User
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Current E-business
E-biz
Client

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Examples Amazon
E-biz
Client

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Example OReilly
E-biz
Client

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Example New-York Times

E-biz
Client
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Example Insurance

E-biz
Client
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Service Re-Use

E-biz
Client

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Service Re-Use

E-biz
MiddleMan

Client
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Added Value of Web Services
inside-out analysis what are our
processes? outside-in approach what
processes can serve customer Self service
portals airline industry dating
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The Business Side of Web Services Ravi Kalakota,
Marcia Robinson courtesy of Addison Wesley
Professional.
What does all this talk of inside-out and
outside-in approaches mean for you? We
hypothesize that firms that take a services
approach (outside-in) will begin to distance
themselves from businesses that take a pure
process-automation approach (inside-out). To
better understand this distinction, let's look at
one area that's mushrooming in importance
customer self-service portals.
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Data integration Security
Database
Program
Program
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Data integration Security
Concurrency
Database
Program
Program
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Data integration Security
Database
Concurrency
Dataset
Program
Program