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Solutions Architect's Handbook

Solutions Architect's Handbook - Third Edition

By : Saurabh Shrivastava, Neelanjali Srivastav
4.6 (57)
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Solutions Architect's Handbook

Solutions Architect's Handbook

4.6 (57)
By: Saurabh Shrivastava, Neelanjali Srivastav

Overview of this book

Build a strong foundation in solution architecture and excel in your career with the Solutions Architect’s Handbook. Authored by seasoned AWS technology leaders Saurabh Shrivastav and Neelanjali Srivastav, this book goes beyond traditional certification guides, offering in-depth insights and advanced techniques to meet the specific needs and challenges of solutions architects today. This edition introduces exciting new features that keep you at the forefront of this evolving field. From large language models and generative AI to deep learning innovations, these cutting-edge advancements are shaping the future of technology. Key topics such as cloud-native architecture, data engineering architecture, cloud optimization, mainframe modernization, and building cost-efficient, secure architectures remain essential today. This book covers both emerging and foundational technologies, guiding you through solution architecture design with key principles and providing the knowledge you need to succeed as a Solutions Architect. It also sharpens your soft skills, providing career-accelerating techniques to stay ahead. By the end of this book, you will be able to harness cutting-edge technologies, apply practical insights from real-world scenarios, and enhance your solution architecture skills with the Solutions Architect's Handbook.
Table of Contents (20 chapters)
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18
Other Books You May Enjoy
19
Index

Looking at legacy system modernization techniques

Per your existing application analysis, you can take various approaches to upgrade your legacy system. The most straightforward approach is migration and rehosting, where you don’t need to change the existing system. However, a simple migration may not solve the long-term problem or provide any benefits.

You can take a more complex approach, such as rearchitecting or redesigning the entire application if the system no longer meets business needs. The following diagram illustrates the impact of the various methods:

Figure 15.4: Legacy system modernization techniques

Let’s examine the various modernization techniques shown in the preceding diagram.

Encapsulation, rehosting, and replatforming

Encapsulation is the most straightforward approach. If the system is business-critical and needs to communicate with other applications running on the latest technology, you should use this approach. With encapsulation...

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