Transcript The Object Web

Web Applications – The Object Web
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combining servers and client-applications
multiple components
multiple technologies
(in construction) the ObjectWeb
‘the rest of us’ vs Microsoft
communication via IIOP
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amsterdam
Basic Client/Server Pair
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Server-side extended with CGI
• Common Gateway
Interface
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vrije Universiteit
amsterdam
The ObjectWeb (1)
• The rest of us -- Netscape ONE
• Managing Content
• Software architecture
Postacademische Cursus Informatie Technologie
vrije Universiteit
amsterdam
Managing Content (in the ObjectWeb)
Postacademische Cursus Informatie Technologie
vrije Universiteit
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Netscape Enterprise Server
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amsterdam
The ObjectWeb (2)
• Microsoft DNS/DNA
• DNS = Digital Nervous System
• DNA = Dynamic Network Architecture
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amsterdam
Microsoft Digital Nervous System
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Microsoft Dynamic Network Architecture
Postacademische Cursus Informatie Technologie
vrije Universiteit
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The ObjectWeb (3) - Java
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extensible browser - with Java applets
platform independent
dynamic
code is uploaded from the server
… and (3 tier) client/server applications
(not to forget) Servlets
and CORBA
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amsterdam
Java applet with ORB
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•1 get HTML page
•2 get applet
•3 start applet
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•4 connect to ORB
•5 get objects
•6 access database
•7 display results
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Advanced -- browser plugins
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extend browser with arbitrary functionality
static
platform specific
C and C++
Postacademische Cursus Informatie Technologie
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amsterdam
•Example - San Francisco Framework
Postacademische Cursus Informatie Technologie
vrije Universiteit
amsterdam