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Merge networking and security services into a single architecture to simplify network infrastructure

Explore how zero trust network access (ZTNA) restricts access to provide native application segmentation

Focus on a native, multitenant cloud architecture that scales dynamically with demand

Description

The SASE concept was coined by Gartner after seeing a pattern emerge in cloud and SD-WAN projects where full security integration was needed. The market behavior lately has sparked something like a "space race" for all technology manufacturers and cloud service providers to offer a "SASE" solution. The current training available in the market is minimal and manufacturer-oriented, with new services being released every few weeks. Professional architects and engineers trying to implement SASE need to take a manufacturer-neutral approach. This guide provides a foundation for understanding SASE, but it also has a lasting impact because it not only addresses the problems that existed at the time of publication, but also provides a continual learning approach to successfully lead in a market that evolves every few weeks. Technology teams need a tool that provides a model to keep up with new information as it becomes available and stay ahead of market hype. With this book, you’ll learn about crucial models for SASE success in designing, building, deploying, and supporting operations to ensure the most positive user experience (UX). In addition to SASE, you’ll gain insight into SD-WAN design, DevOps, zero trust, and next-generation technical education methods.

What you will learn

Develop a comprehensive understanding of SASE from a market and technical perspective

Understand SASE services and components included in SASE solutions

Move logically from prescriptive design to policy-based design and orchestration

Understand standard SASE use cases and how to integrate future components

Convert from a legacy network design model to a secure DevOps model for future projects

Use a functional design overlay to eliminate inter-service competition for the control plane of the SASE service

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Greg Bryan Apr 19, 2023

Ginn manages to overcome a serious challenge, which is clearly and concisely defining what we should mean when we say SASE.As the book explains, "SASE is a new, next generation secure communications services framework that combines many different services to close previous gaps in security."SASE is not a product itself, but rather a framework made up of several products and concepts. Fortunately, Ginn is very clear in defining and explaining these separate elements.Anyone with a background in telecom or networks will come away from this book understanding what industry players mean (or should mean) when they are using these terms. He does this throughout the book—not just in the opening chapters—so that readers can jump around to relevant sections without getting lost in a sea of jargon.Ginn even breaks down definitions by relevance to the audience. For example, he shows how one might explain SASE differently to executives than to network or security IT professionals.One feature I think readers will find particularly useful is the clear listing and explanation of the various key elements or products associated with SASE—such as Cloud Access Security Brokerage, Secure Web Gateway, Firewall-as-a-Service, and the Zero Trust Framework.IT professionals cannot wrap their heads around a SASE framework until they understand what products it entails, and what individual roles those products play in a broader network security strategy.Ginn also provides a useful explanation of how SD-WAN—not generally thought of as a security product itself—is integral to most SASE deployments and outlines the logical differences between Security Service Edge services and full SASE.Ginn has distilled a complex and often confusing topic into human language that will leave any reader (at least somewhat familiar with corporate cybersecurity and networks) well-informed on the need for and process of adopting a SASE framework.The book uses thoughtful analogies and examples to clearly illustrate network security concepts. It can be read straight through, or digested in relevant chapters or sections.I would recommend that anyone in the WAN or cybersecurity business—end-user or vendor—check out this useful and thought-provoking read.Disclosure: I was provided with a review copy of this book.

Amazon Verified review

Sanjay Prajapati Nov 14, 2023

Jeremiah has authored a masterpiece on Secure Access Secure Edge (SASE). Drawing upon my experience as a product manager and solutions architect specializing in SASE solutions, I can confidently affirm that Jeremiah is a leading thought leader in SASE design and deployment. In his book, he eloquently defines how SASE fortifies network communications from the edge to the cloud, seamlessly integrating it into the OSI model.This comprehensive guide is invaluable for both network engineers and product managers. Personally, it significantly contributed to my success in technical job interviews and provided crucial support in guiding customers on their SASE journey in single-vendor and multi-vendor SASE solutions. I highly recommend this book to anyone navigating the complexities of SASE solutions.

Bryan Wolski Mar 31, 2023

The book title is pretty fitting, "Diving into Secure Access Service Edge." The author, Jeremiah Ginn, uses his decades-long experience in the IT and carrier space to help explain the technical aspects of SASE. This technical guide is aimed at IT professionals and leaders who want to understand and implement SASE. He dives right in, and it initially feels like SASE is very cumbersome and possibly hard to understand.I was initially turned off by the complexity of the SASE picture that Jeremiah was painting. He offers real-world examples throughout the book, which made it "click" for me. Jeremiah's career experience, interaction with MEF, and understanding of the carrier space skew the message to the more complex environments. Think about the complexities of rearchitecting the networking (LAN and WAN), security, DevOps, and other pieces of a Fortune 500 company. It is a serious undertaking. Jeremiah has done a good job of peeling back the onion on the planning and execution that has to happen for all these disparate systems to function in a cohesive manner.Because of the complex manner of using Best-of-Breed, point solutions in a shared context, Jeremiah suggests that only some companies have the skill set to fulfill multi-vendor SASE on their own. He references the need for and gives examples of how companies should employ Managed Service Providers to implement and manage these solutions.I like that Jeremiah takes a methodical approach to the things a company must consider when looking at a multi-vendor SASE solution. This makes sense for a writer with a carrier who also references the MEF organization and their work on SASE. These organizations are focused on making the multi-vendor solution work together and creating a standardized framework for them.If I am honest with myself, I was disappointed that the book stopped short. There needed to be more information about the emerging Single Vendor SASE solutions. Gartner, TechTarget, and others recognize the complexity of designing and implementing multi-vendor SASE and have suggested that many companies will prefer the single-vendor approach in the near future. This market has matured enough that vendors report hundreds of millions of dollars in recurring revenue, and industry analysts have released quadrants and reports. The last I checked, these reports have between 9 and 11 vendors.If you are considering a multi-vendor SASE approach, Jeremiah's book will help you brainstorm ideas and think about concepts you have not considered. It is pretty thorough in that regard. Gartner coined the term SASE in 2019, and it is clear we can't reap the changing business outcomes of the future without changing the inputs of the equation. Put another way, you can't keep the same inputs and expect different outputs.If you are a problem solver, don't mind complexity, want to understand multi-vendor SASE, and get some bonus stuff along the way, this book may be for you.If you want a "SASE For Ignoramuses" guide, this is a bit more technical and in-depth than what you are looking for, although Jeremiah's language is pretty straightforward.

Diving into Secure Access Service Edge: A technical leadership guide to achieving success with SASE at market speed

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