SASE
Also known as: Secure Access Service Edge
SASE (Secure Access Service Edge) combines SD-WAN with security functions such as firewalling and access control, delivered as a service from the cloud.
SASE (Secure Access Service Edge) brings together two things that used to run separately: site-to-site connectivity through SD-WAN and security functions such as firewalling, secure web access, and access control. Instead of running networking and security as different systems at different locations, both are delivered as one cloud service that sites and individual users connect to alike.
In practice, every site and every mobile device connects to the SASE provider's infrastructure before traffic continues on to the internet or to other sites. Traffic is filtered and checked there, regardless of whether the request comes from the office, a home office, or the road. It's managed through one shared console instead of maintaining firewall rules separately at every location.
One grey area is that 'SASE' is often used as a marketing label for quite different product bundles that don't always cover both sides — networking and security — equally well. To keep the two apart: SD-WAN handles the connection itself, and SASE adds cloud-delivered security functions on top of that connection.
What it means in practice
For a single site with a standard internet connection and a firewall on-site, SASE usually isn't the right fit. It becomes relevant when several sites and many mobile employees need to be secured consistently without running separate security hardware at each location. NDVDL assesses for businesses in Vienna, Lower Austria and Slovakia whether an on-site setup or a cloud-based approach fits the actual site structure.
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