Lecture19: Shared Information Systems: WWW

• Lecture 19: Shared Information Systems and the WWW.
• Context .
• Influences on the Architect .
• Factors Influenced by Architectures .
• Architecture Influences the Development Organization Structure .
• Architecture Influences the Development Organization Enterprise Goals .
• Architecture Influences Customer Requirements .
• Architecture Influences the Architect's Experience and Technical Environment .
• A Cycle of Influences .
• Architecture Business Cycle (ABC) .
• Shared Information Systems .
• Database Management .
• Batch Sequential Data Processing .
• Repository Architecture .
• Unified Schemas for Integrating Databases .
• Multi-databases .
• Reminder: Layered Pattern .
• Evolution of Database Architectures .
• Computer Aided Software Engineering .
• CASE vs DBMS .
• Traditional Compiler .
• Example: Modern Canonical Compiler .
• Canonical Compiler, Revisited .
• Software Tools with Shared Representation .
• Evolution of CASE Environments .
• Varieties of Repositories .
• Lessons from SIS about Domains .
• Evolution of the WWW's Software Architecture .
• WWW: Original Requirements/Qualities .
• Non Requirements .
• Growth of WWW .
• Growth of WWW .
• Requirements Come and Go .
• Meeting the Requirements: libWWW .
• Generic Utilities .
• Core .
• Stream Modules .
• Access Modules .
• Application Modules .
• WWW Client .
• Client Components .
• WWW Server .
• Server Components .
• libWWW Lessons Learned .
• Extending the Server .
• Problems with CGI .
• New Server Base .

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Heather L. Marko

Modified: 5/21/98