May 2026
Intermediate
512 pages
16h 20m
English
book
The Segmentation Blueprint: Designing, Deploying, and Scaling Network Segmentation for Modern Cyber Defense
by Raghunath Kulkarni, Kaarthik Sivakumar, Renato Morais, Patrick Lloyd
Content preview from The Segmentation Blueprint: Designing, Deploying, and Scaling Network Segmentation for Modern Cyber Defense
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Chapter 11
Reference Architecture
Throughout this book, we have illustrated various methods of achieving macrosegmentation, microsegmentation, and nanosegmentation. One of the most common challenges organizations face is the misconception that segmentation is a net new addition and relies on a singular mechanism that has to be applied to all use cases. For years, Cisco pursued the idea that it might be possible to use a single mechanism everywhere to describe segmentation, across all mediums and use cases. One of the authors of this book liked to joke in conference presentations by using the phrase “TrustSec all the things!” However, most organizations aren’t pursuing a segmentation goal as part of net new builds only. More commonly, a regulatory, ...
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