Bringing SASE to 5G Networks: A Golden Opportunity for CSPs

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By Michela Menting | 4Q 2021 | IN-6356


SASE vs SD-WAN: What's the Difference?


The permeability of modern enterprise networks is old news. The cybersecurity industry has not been remiss in seizing the opportunity and adapting the myriad of traditional network security tools to web and cloud environments: web application firewalls, secure web gateways, cloud access security brokers, virtual private networks, etc. The natural declination has been software-centric security solutions and the emergence of the software-defined perimeter (SDP), which, simply put, is just a security boundary sitting at the application layer (and thus obfuscating the network layer), that can be placed around any asset, regardless of where it resides. SDPs, and other similar emerging architectures, such as Zero Trust Network Access (ZTNA), make-up the broader umbrella category of Secure Access Secure Edge (SASE).

Wide Access Networks (WAN) have gone through a similar transformation, with the Software-Defined WAN (SD-WAN) having come out the other end to counter the limited access that WANs had to cloud. Much as WAN worked well with traditional network firewalls, SD-WANs take a…

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