Converged security services can offer significant benefits to enterprises when it comes to manageability, scalability, security, and price, according to research firm Gartner, which introduced the term SASE, or secure access service edge. SASE is a network architecture that combines software-defined wide area networking (SD-WAN) and security functionality into a unified cloud service that promises simplified WAN deployments, improved efficiency and security, and application-specific bandwidth policies.