Lecture14: Tradeoff Analysis: ATA Method

• Lecture 14: Architecture Tradeoff Analysis.
• Architecture Tradeoff Analysis Method (ATAM) .
• Why Use ATAM? .
• ATAM .
• ATAM .
• ATAM - Step 1 .
• ATAM - Step 2 .
• ATAM - Step 3 .
• ATAM - Step 4 .
• ATAM - Step 5 .
• ATAM - Step 6 .
• ATAM - Step 7 .
• Case Study .
• Functional View of System .
• Performance Scenarios .
• Performance Requirements .
• Availability Scenarios .
• Availability Requirements .
• Security Scenarios .
• Security Requirements .
• Option 1: Client-Server .
• Option 2: Client-Server-Server .
• Option 3: Client-Intelligent Cache Server .
• Performance Assumptions .
• Performance Analysis .
• Availability Assumptions .
• Availability Analysis of Option 1: Markov Model .
• Availability of Option 1 .
• Availability Analysis of Option 2: Markov Model .
• Availability of Option 2 .
• Availability Analysis of Option 3: Markov Model .
• Availability of Option 3 (1 Min Cache) .
• Availability of Option 3 (5 Min Cache) .
• Initial Results .
• Sensitivity Analysis .
• Sensitivity Analysis -2 .
• Sensitivity Analysis -3 .
• Interim Summary .
• Security Analysis .
• Option 1a: Client-Server MIM Attack .
• Option 1b: Client-Server Spoof Attack .
• Security Assumptions .
• Security Analysis: Options 1-3 MIM Attack Scenario .
• Security Analysis: Options 1-3 Spoof Attack .
• Ramifications .
• Refined Architectures .
• Options 1-3 with Encryption .
• Options 1-3 with Intrusion Detection .
• Sensitivity Analysis .
• Tradeoff Analysis .
• End of Case Study .
• Why Focus on Software Architecture Analysis? .
• Is It Cost Effective? .
• Can I Believe These Numbers? .

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Heather L. Marko

Modified: 5/21/98