architectural_paradigms

architectural_paradigms - Software Architecture Paradigms...

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Software Architecture Paradigms “We have found that understanding software architecture is the key to developing many important software solutions.” B. Stroustrup, 1991. 1. Objectives .................................................................................... 3 2. Definitions .................................................................................... 3 3. Architecture Style [J. Peters and W. Pedrycz 2000]: ................... 4 4. Data Flow Systems ...................................................................... 9 4.1 Pipelines ................................................................................. 9 ................................................................ 11 5.1 Layered Architecture: .......................................................... 11 5.2 N-Tier Architecture : (www.n-tier.com) .............................. 14 5.2.1 Motivations ................................................................... 14 5.2.2 Architecture: ................................................................. 15 5.2.3 Client/Server (C/S) ....................................................... 15 5.2.4 Different Types of Architectures .................................. 16 6. Independent Processes ............................................................... 20 6.1 Communicating Processes: .................................................. 20 7. Repository .................................................................................. 25 7.1 Blackboard Architecture ...................................................... 25 8. Architecture Evaluation: Good Structure ................................... 29 8.1 Goals ................................................................................... 29 8.2 Cohesion .............................................................................. 29 8.2.1 Coincidental cohesion ................................................... 30 8.2.2 Logical cohesion ........................................................... 30 8.2.3 Temporal cohesion ........................................................ 31 8.2.4 Procedural cohesion ...................................................... 31 8.2.5 Communicational cohesion ........................................... 32 8.2.6 Informational cohesion ................................................. 32 8.2.7 Functional cohesion ...................................................... 33 A. Bellaachia Page: 1
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8.3 Coupling .............................................................................. 34 8.3.1 Content Coupling .......................................................... 35 8.3.2 Common Coupling ........................................................ 36 8.3.3 Control Coupling .......................................................... 38 8.3.4 Stamp Coupling ............................................................ 38 8.3.5 Data Coupling ............................................................... 39
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This document was uploaded on 09/03/2010.

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architectural_paradigms - Software Architecture Paradigms...

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