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 n...

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Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Sessions, Roger
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Redmond, Wash. : Microsoft Press, ©2008.
Colección:Best practices (Redmond, Wash.)
Temas:
System design.
Computer architecture.
Conception de systèmes.
Ordinateurs > Architecture.
COMPUTERS > Systems Architecture > General.
Computer architecture
System design
Datenverarbeitung
Projektmanagement
Unternehmen
Acceso en línea:Texto completo (Requiere registro previo con correo institucional)
Tabla de Contenidos:
  • 1. Enterprise Architecture Today
  • Why Bother?
  • Common Definitions
  • What Is Enterprise Architecture?
  • Complexity in Enterprise Architectures
  • The Zachman Framework for Enterprise Architectures
  • The Open Group Architecture Framework
  • Federal Enterprise Architecture
  • 2. A First Look at Complexity
  • Partitioning
  • Five Laws of Partitions
  • Simplification
  • Iteration
  • 3. Mathematics of Complexity
  • Looking at Complexity
  • Laws of Complexity
  • Homomorphisms
  • Controlling Complexity in Dice Systems
  • Adding Buckets
  • Partitioning
  • Equivalence Relations
  • Equivalence 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
  • 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 Simplification
  • Retail Operation, Again
  • 5. SIP Process
  • Overview
  • Phase 0: Enterprise Architecture Evaluation
  • Contraindications
  • Phase 1: SIP Preparation
  • Phase 2: Partitioning
  • Phase 3: Partition Simplification
  • Phase 4:ABC Prioritization
  • Phase 5: ABC Iteration
  • 6. A Case Study in Complexity
  • Overview of NPflT
  • Current Status of NPflT
  • The SIP Approach
  • 7. Guarding the Boundaries: Software Fortresses
  • Technical Partitions
  • Rule 1:Autonomy
  • Rule 2: Explicit Boundaries
  • Rule 3: Partitioning of Functionality
  • Rule 4: Dependencies Defined by Policy
  • Rule 5: Asynchronicity
  • Rule 6: Partitioning of Data
  • Rule 7: No Cross-Fortress Transactions
  • Rule 8: Single-Point Security
  • Rule 9: Inside Trust
  • Rule 10: Keep It Simple
  • 8. The Path Forward
  • Complexity:The Real Enemy
  • Simplicity Pays
  • A Philosophy of Simplicity
  • A Review of the Book Content
  • A Parting Message
  • A. This Book at a Glance
  • Mathematical Concepts
  • Enterprise Architectural Concepts
  • SIP Concepts.

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