Overcoming IT Complexity - Helion

ebook

Autor: Lee Atchison
ISBN: 9781492098454
stron: 110, Format: ebook
Data wydania: 2022-12-09
Księgarnia: Helion

Cena książki: 143,65 zł (poprzednio: 167,03 zł)
Oszczędzasz: 14% (-23,38 zł)

Osoby, które kupiły tę książkę, wybierały także »

The cloud promises cost savings, agility, and more. But the increasing complexity of modern IT systems often prevents businesses from realizing the outcomes they sought by moving to the cloud in the first place. At the core of this complexity is technical debt. Ad hoc decisions, traditional approaches, and "quick and dirty" solutions add up to fragile, more complex systems (and organizations)--reducing the pace of change, driving up costs, and degrading security. To succeed in the cloud, you first have to manage the problems IT complexity creates. This practical guide will help.

If you're tasked with designing, delivering, or approving IT systems that support business growth, this book will teach you the principles and strategies you need to break out of silos, reassess traditional thinking, provide the business a better competitive position, and achieve cloud success across the company.

You'll learn:

How to assess your current IT environment to identify complexity-centered risks

How to structure cross-functional teams to reduce friction points

How to create a framework for IT investments that's aligned with your business goals

How to measure your outcomes for continued success

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Spis treści

Overcoming IT Complexity eBook -- spis treści

Foreword
- The Growing Complexity of IT Environments
Preface
- More Information
- OReilly Online Learning
- How to Contact Us
- Acknowledgments
1. What Is the Modern IT Complexity Dilemma?
- The Structure of Modern IT Organizations
  - The Role of Software Development in IT Organizations
    - Business type 1: The nonsoftware-focused IT organization
    - Business type 2: The non-SaaS software IT organization
    - Business type 3: The SaaS-focused IT organization
  - Development and Operations in the IT Organization
    - Development
    - Operations
    - The role of DevOps in the modernization of the enterprise
- The Advent of Complexity
  - Technical Debt: The Key to Complexity
    - How does technical debt grow?
    - The negative impact of technical debt
  - The Organizational Pain of Complexity
    - Messy desk syndrome
  - Complexity in an IT Organization
  - IT Death
  - What Makes a Mature IT Organization
    - Competitive offerings
    - Security vulnerabilities
- Summary
2. Auditing and Assessing Your IT Ecosystem
- Auditing Versus Assessment
- What Do You Measure?
- Why Do You Measure?
  - Measure-Try-Measure-Refine
  - The Benefits of Measurement
- How Deep Do You Measure?
- Adaptive Assessment
  - The Value of an Adaptive Assessment
  - Creating an Adaptive Assessment
  - Decisions Based on Adaptive Assessments
  - Loose Coupling
- Examples of Adaptive Assessments
  - Example 1: The Brainstorming Adaptive Assessment
  - Example 2: The Cloud Tagging Adaptive Assessment
- The Survey Analogy
- Summary
3. Moving to an Adaptive Architecture
- Adaptive Architectures
- Adaptive Architectures in Action
  - Autoscaling
  - Self-Healing
  - Infrastructure as Code
  - Developing in a Production-Like Environment
  - Load Testing
- Cost of Adaptive Architecture in Increased Complexity
- Example: Reducing Complexity with Tiered Security
- Summary
4. Managing Knowledge
- Knowledge Variability: Choice Versus Complexity
- Managing Knowledge Requirements
- Centralized Configuration
  - Maintaining a Centralized Single Source of Truth
    - Centralized source of truth versus single source of truth
    - Revision management
  - Are You in Control?
- Reuse
  - Pattern 1: Copy/Paste Reuse
  - Pattern 2: Layered/Template Reuse
- Example: Router Configuration Files
- Summary
5. Creating Your Technology Investment Framework
- Technology Investment Framework Categories
- IT Investment Example: Are You in the Datacenter Business?
- IT Investment Example: Should You Be in the Logistics Business?
- IT Investment Example: How Can You Leverage Strength to Transform?
- Shifting Investments
- Summary
6. Starting the Conversation
Index