What’s the Difference Between SASE, SD-WAN, and SSE?
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When it comes to the wide area network (WAN), the letter “S” plays a pivotal role from SASE to SD-WAN to SSE, but there can be some confusion with so many WAN “S” acronyms … By Mandy Duncan, Aruba Country Manager South Africa A Quick History Lesson Believe it or not, the term Software-defined Wide Area Network (SD-WAN) was first introduced back in 2014, practically ancient history when it comes to networking at the edge. It’s now well recognised and increasingly adopted as the cloud-first way to transform WAN architecture, improving application performance, enabling more efficient connectivity, and reducing network complexity. Secure Access Service Edge , known as SASE , describes the cloud-first architecture for both WAN and security functions, all delivered and managed in the cloud. In short, SASE is a blend of SD-WAN and cloud-delivered security. Security Service Edge stands for SSE, the youngest of the “s” acronyms, was first described in 2021 and again this year ...