📖 What is Secure Access Service Edge (SASE)?
Secure Access Service Edge (SASE) is a cloud architecture model that converges wide area networking (SD-WAN) with comprehensive security functions, such as secure web gateways and cloud access security brokers. It delivers security and connectivity directly to the user at the network edge.
"Pronounced 'Sassy.' It is essentially SD-WAN combined with cloud-delivered security (like FWaaS and CASB) to protect remote users without backhauling traffic."
📚 Certification: CompTIA Network+ Certification Exam (N10-009)
🔑 What are the Key Concepts of Secure Access Service Edge (SASE)?
- ▸ Convergence of SD-WAN and security services like CASB and FWaaS into a single, cloud-delivered service model for simplified management.
- ▸ Elimination of traffic backhauling by applying security policies at the network edge, significantly reducing latency for remote users.
- ▸ Integration of Zero Trust Network Access (ZTNA) to ensure that identity and device posture are verified before granting access to resources.
- ▸ Cloud-native delivery allowing organizations to scale security and connectivity consistently across global branch offices and remote workforces.
🎯 How does Secure Access Service Edge (SASE) appear on the N10-009 Exam?
You may be asked to identify the best architecture for a global company that wants to provide secure, low-latency access to SaaS applications without routing all traffic through a central headquarters.
A scenario might describe a need to combine SD-WAN capabilities with a Cloud Access Security Broker (CASB) and Firewall-as-a-Service (FWaaS) to protect a highly distributed workforce.
❓ Frequently Asked Questions
Is SASE just a rebranding of SD-WAN?
No. While SD-WAN handles the intelligent routing of traffic, SASE adds a layer of cloud-native security services. SD-WAN is a component of SASE, but SASE is the complete converged framework.
How does SASE improve the user experience for remote employees?
By moving security functions to the cloud edge, SASE removes the need to 'hairpin' traffic through a central data center, reducing lag and improving performance for cloud-based tools.