Gartner Research

Applied SOA: Conquering IT Complexity Through Software Architecture

Published: 25 May 2005

ID: G00128127

Analyst(s): Yefim Natis

Summary

IT complexity is a growing burden in most enterprises, leading to escalating costs and "innovation fatigue." The best-functioning IT organizations manage complexity and foster innovation through systematic software architecture initiatives (including SOA) and associated internal cultural change.

Table Of Contents
  • Management Summary
  • The Rise of IT Complexity
    • The Immovable Legacy
    • Irresistible Innovation
    • The "More, Faster, Cheaper" Syndrome
    • The Importance of Understanding and Accepting IT Complexity and Its Origins
  • Conquering Complexity by Applying the Best-Practice Principles of Software Design
    • The Black-Box Principle: Encapsulate
    • The "Layers of the Onion" Principle: Layer and Specialize
    • The Community Principle: Respect and Integrate
    • The City Planning Principle: Composite Applications and Beyond
  • Conquering Complexity in Light of Software Industry Trends
    • Service-Oriented Architecture: The Advantage Depends on the Investment
    • The Integrated Repository
    • Open Source Joins Standards-Based and Proprietary Technologies
    • Microkernel Meets ESB: Pluggable Architecture for Applications, Platforms and Suites
    • Software Vendor Ecosystems
  • Conquering Complexity Through Organizational and Cultural Change
    • People Must Collaborate Before Their Systems Can
    • Empowering the IT Organization to Manage Complexity
  • Recommendations
  • Acronym Key

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