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Introduction to Juniper Mist WAN Assurance

The WAN edge references the demarcation point for your enterprise network to reach the outside world. This boundary is a crucial security and troubleshooting hotspot. The WAN edge can be a simple border between your enterprise network and the outside world. However, the WAN edge can also be a Juniper® SD-WAN driven by Mist AI™ device like a Juniper® SRX Series Firewall, a Juniper® Networks Session Smart™ Router, or a cloud solution like a Juniper Secure Edge.

Figure 1: Juniper Mist WAN Assurance Juniper Mist WAN Assurance

The WAN edge transforms with Juniper’s AI-driven SD-WAN solution and acts as your centralized policy enforcement point. Combined with the Juniper Mist WAN Assurance cloud service, the Juniper SD-WAN solves many of the legacy SD-WAN solutions' security, monitoring, and troubleshooting challenges. Bring deployment, monitoring, and troubleshooting across your network by integrating Juniper Mist Wired Assurance, Juniper Mist Wireless Assurance, and now Juniper Mist WAN Assurance under a cohesive Mist AI dashboard. Juniper Mist WAN Assurance securely connects branch offices with Juniper® Session Smart™ Routers or Juniper® SRX Series Firewalls across a software-defined WAN.

Figure 2: Juniper AI-Driven SD-WAN Solution Juniper AI-Driven SD-WAN Solution

Intersite Connectivity (SD-WAN)

Your WAN edge transforms when integrated with Juniper® SD-WAN driven by Mist AI™. Your edge device becomes fast, secure, and application-aware with Juniper Mist WAN Assurance. Software-defined WAN traffic from remote sites travels through an abstracted overlay across less expensive broadband service providers. This connectivity design replaces expensive legacy MPLS solutions. Edge devices deliver stateful failovers across various connection types, including MPLS, broadband, satellite, and LTE. This real-time switch for critical applications is imperceptible to the user. Juniper Mist WAN Assurance also brings visibility to your WAN edge with targeted insights for health, tunnel activity, connectivity, and active sessions. By creating that software-defined space, you can influence traffic at the Application Level with greater control for access and security.

Figure 3: SD_WAN Intersite Connectivity SD_WAN Intersite Connectivity

Juniper Mist WAN Assurance Service Level Expectations (SLEs)

Mist’s Predictive Analytics and Correlation Engine (PACE) provides data science and machine learning to understand the end-user experience. The WAN SLE metrics are: WAN Edge Health, WAN Link Health, and Application Health. Juniper Mist WAN Assurance identifies the root cause of WAN issues impacting user experiences. Service-level expectations enable simpler operations, better visibility into end-user experiences, and simplify monitoring and troubleshooting your network.

Figure 4: Juniper Mist WAN Assurance Service Level Expectations (SLEs) Juniper Mist WAN Assurance Service Level Expectations (SLEs)

Mist Management Model

Juniper’s AI-driven SD-WAN solution is a single management platform for branch Wireless, Wired, and SD-WAN. Juniper SD-WAN zero-touch provisioning, life cycle, and configuration are done through a single Mist dashboard.

Figure 5: Mist Management Model Mist Management Model

Watch the following video for an overview of the Juniper Mist WAN Assurance feature.