The Juniper SSR400 series is a high-performance line of fixed-configuration appliances engineered to simplify branch deployments through an AI-native, session-smart approach to SD-WAN. Moving beyond legacy tunnel-based constraints, the SSR400 utilizes Secure Vector Routing (SVR) and a service-aware data plane to deliver unparalleled efficiency, robust IP routing, and advanced traffic engineering—including BGPv4 and OSPFv2 support. Seamlessly integrated with Juniper WAN Assurance and managed via a centralized policy engine, this compact 30 cm wide router provides deep application identification, proactive analytics, and comprehensive security services like SNAT/DNAT and stateful firewalls. Ideal for the modern distributed workforce, the SSR400 ensures secure, high-speed connectivity for cloud-enabled applications while reducing architectural complexity in the enterprise edge.