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Solutions Architect's Handbook

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

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Product type Paperback
Published in Mar 2020
Publisher Packt
ISBN-13 9781838645649
Length 490 pages
Edition 1st Edition
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Authors (2):
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Neelanjali Srivastav Neelanjali Srivastav
Author Profile Icon Neelanjali Srivastav
Neelanjali Srivastav
Saurabh Shrivastava Saurabh Shrivastava
Author Profile Icon Saurabh Shrivastava
Saurabh Shrivastava
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Toc

Table of Contents (18) 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 and Machine Learning 14. Architecting Legacy Systems 15. Solution Architecture Document 16. Learning Soft Skills to Become a Better Solution Architect 17. Other Books You May Enjoy

Creating immutable infrastructure

Immutable means, during application upgrades, you will not only replace software, but hardware too. Organizations make a significant capital investment in hardware and develop the practice of updating them with a new version of the application and configuration.

To create replaceable servers, you need to make your application stateless and avoid the hardcoding of any server IP or database DNS name. Basically, you need to apply the idea of treating your infrastructure as software instead of hardware, and not apply updates to the live system. You should always spin up new server instances from the golden machine image, which has all necessary security and software in place.

Creating immutable infrastructure becomes comfortable with the use of a virtual machine, where you can create a golden image of your virtual machine and deploy it with the new version, rather than trying to update an existing version. This deployment strategy is also beneficial for troubleshooting...

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