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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

Making your architecture fault-tolerant

High availability means your application is available to the user but it can result in degraded performance. Suppose you need four servers to handle users’ traffic. For this, you put two servers in two different physically isolated data centers. If there is an outage in one data center, user traffic can be served from another. But now you have only two servers, which means only 50% of the original capacity is available, and users may experience performance issues. In this scenario, your application has 100% high availability but is only 50% fault tolerant.

As shown in Figure 2.6, to achieve 100% fault tolerance, you need full redundancy and have to maintain the double count of the servers so that the user doesn’t encounter any performance issues during the outage of one zone.

Figure 2.6: Fault tolerance architecture

Fault tolerance is handling workload capacity if an outage occurs without compromising system performance...

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