Which plane handles telemetry collection and end-to-end service orchestration in MEF SD-WAN?

• A. The SD-WAN Orchestrator (control plane) provides telemetry collection and end-to-end service orchestration.
• B. Edge devices perform telemetry collection but not orchestration.
• C. The management/analytics plane handles only storage.
• D. Security appliances handle telemetry collection only.

Answer: (C)

In MEF SD-WAN, end-to-end service orchestration and the collection of telemetry to support that orchestration are functions of the control plane, realized by the SD-WAN Orchestrator. This central plane defines policies, provisions services across all edge devices, and uses telemetry data to monitor performance, health, and service assurance, enabling coordinated, network-wide decisions. Edge devices are primarily data-plane endpoints that forward traffic and can generate local telemetry, but they don’t orchestrate services across the network. The management/analytics plane focuses on collecting, storing, and analyzing telemetry data to provide insights, but orchestration across the WAN isn’t its sole role. Security appliances provide security functions and may emit security-related telemetry, but they do not handle end-to-end service orchestration. Therefore, the SD-WAN Orchestrator in the control plane is the best fit for both telemetry collection and end-to-end service orchestration.