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The SASE story: How SASE came to be, and why it has quickly become the default architecture

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Secure Access Service Edge (SASE) has quickly become one of the hottest topics related to cloud, networking, and security architectures. As Cisco engineers, we have seen hesitation and confusion among some customers on what SASE really means. We hope to answer most of those questions here.

What is SASE, and how is it related to the Cloud Edge, Zero Trust, and SD-WAN? SASE has positively impacted how we run our IT organization, and how we envision Enterprise IT customers will run theirs. To accurately explain what SASE is, and why SASE came to be, we must look at the evolution of how data is stored and transported within an enterprise.