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Solutions Architect's Handbook

You're reading from   Solutions Architect's Handbook Kick-start your career as a solutions architect by learning architecture design principles and strategies

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Product type Paperback
Published in Jan 2022
Publisher Packt
ISBN-13 9781801816618
Length 590 pages
Edition 2nd Edition
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Authors (2):
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Saurabh Shrivastava Saurabh Shrivastava
Author Profile Icon Saurabh Shrivastava
Saurabh Shrivastava
Neelanjali Srivastav Neelanjali Srivastav
Author Profile Icon Neelanjali Srivastav
Neelanjali Srivastav
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Toc

Table of Contents (22) Chapters Close

Preface 1. The Meaning of Solution Architecture 2. Solution Architects in an Organization FREE CHAPTER 3. Attributes of the Solution Architecture 4. Principles of Solution Architecture Design 5. Cloud Migration and Hybrid Cloud Architecture Design 6. Solution Architecture Design Patterns 7. Performance Considerations 8. Security Considerations 9. Architectural Reliability Considerations 10. Operational Excellence Considerations 11. Cost Considerations 12. DevOps and Solution Architecture Framework 13. Data Engineering for Solution Architecture 14. Machine Learning Architecture 15. The Internet of Things Architecture 16. Quantum Computing 17. Rearchitecting Legacy Systems 18. Solution Architecture Document 19. Learning Soft Skills to Become a Better Solution Architect 20. Other Books You May Enjoy
21. Index

Using replaceable resources

Organizations make a significant capital investment in hardware, and they develop the practice of updating them with a new version of the application and configuration. Over time, this leads to different servers running in varied configurations, and troubleshooting them becomes a very tedious task. Sometimes, you have to keep running unnecessary resources when they are not needed, as you are not sure which server to shut down.

The inability to replace servers makes it challenging to roll out and test any new updates in your server fleet. These problems can be solved by treating your server as a replaceable resource, which enables you to move more quickly to accommodate changes such as upgrading applications and underlying software.

That is why, while designing your application, always think of immutable infrastructure.

Creating immutable infrastructure

Immutable means, during application upgrades, that you will not only replace software...

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