Simple Architectures for Complex Enterprises
Dismantle the overwhelming complexity in your IT projects with strategies and real-world examples from a leading expert on enterprise architecture. This guide describes best practices for creating an efficient IT organization that consistently delivers on time, on budget, and in line with business...
| Autor principal: | |
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| Formato: | Libro electrónico |
| Idioma: | Inglés |
| Publicado: |
Sebastopol :
Microsoft Press
2008.
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| Edición: | 1st edition |
| Colección: | Developer Best Practices
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| Materias: | |
| Ver en Biblioteca Universitat Ramon Llull: | https://discovery.url.edu/permalink/34CSUC_URL/1im36ta/alma991009627448906719 |
Tabla de Contenidos:
- Cover; Copyright Page; Contents at a Glance; Table of Contents; Acknowledgments; Legal Notices; Introduction; The Organization of This Book; Find Additional Content Online; Support for This Book; Questions and Comments; Part I: The Question of Complexity; Chapter 1: Enterprise Architecture Today; Why Bother?; Issue: Unreliable Enterprise Information; Issue: Untimely Enterprise Information; Issue: New Complex Projects Underway; Issue: New Companies Being Acquired; Issue: Enterprise Wants to Spin Off Unit; Issue: Need to Identify Outsourcing Opportunities; Issue: Regulatory Requirements
- Issue: Need to Automate Relationships with External PartnersIssue: Need to Automate Relationships with Customers; Issue: Poor Relationship Between IT and Business Units; Issue: Poor Interoperability of IT Systems; Issue: IT Systems Unmanageable; The Value of Enterprise Architecture; Common Definitions; What Is Enterprise Architecture?; Complexity in Enterprise Architectures; The Zachman Framework for Enterprise Architectures; The Open Group Architecture Framework; Federal Enterprise Architecture; Summary; Chapter 2: A First Look at Complexity; Partitioning; Executive Lunch; Choir Rehearsal
- Emergency ResponsesClothing Store; Chess Games; Children at Starbucks; Rubik's Cube; Five Laws of Partitions; First Law: Partitions Must Be True Partitions; Second Law: Partition Definitions Must Be Appropriate; Third Law: Partition Subset Numbers Must Be Appropriate; Fourth Law: Partition Subset Sizes Must Be Roughly Equal; Fifth Law: Subset Interactions Must Be Minimal and Well Defined; Simplification; Iteration; Summary; Chapter 3: Mathematics of Complexity; Looking at Complexity; Laws of Complexity; Homomorphisms; Controlling Complexity in Dice Systems; Adding Buckets; Partitioning
- Equivalence RelationsEquivalence Classes; Inverse Equivalence Relations; Equivalence Relations and Enterprise Architectures; Synergistic in Practice; Removing Faces; Removing Buckets; Other Measures of Complexity; Complexity in Theory and in Practice; Summary; Part II: The Quest for Simplification; Chapter 4: The ABCs of Enterprise Partitions; Review of the Mathematics; Partitioning the Enterprise; The ABCs of Enterprise Equivalence Classes; ABC-Type Relationships; Implementations and Deployments; ABC Types; Type Hierarchies; Composition Relationships; Partner Relationships
- Relationships and Partition SimplificationRetail Operation, Again; Summary; Chapter 5: SIP Process; Overview; Phase 0: Enterprise Architecture Evaluation; Issue: Unreliable Enterprise Information; Issue: Untimely Enterprise Information; Issue: New Complex Projects Underway; Issue: New Companies Being Acquired; Issue: Enterprise Wants to Spin Off Unit; Issue: Need to Identify Outsourcing Opportunities; Issue: Regulatory Requirements; Issue: Need to Automate Relationships with External Partners; Issue: Need to Automate Relationships with Customers
- Issue: Poor Relationship Between IT and Business Units
