| Signalling requirements for inter-domain software-defined wide area networking service |
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As enterprise services and network resources increasingly span multiple domains, coordinated inter-domain software-defined wide area networking (SD-WAN) service becomes essential for end-to-end consistent service delivery.
Supplement 81 to ITU-T Q-series Recommendations specifies the signalling architecture, procedures and requirements for coordination between SD-WAN controllers across domains, including the interactions of customer demand negotiation, configuration parameters negotiation, and service and network monitoring results notification. Supplement 81 to ITU-T Q-series contributes to automated provisioning and end-to-end performance assurance for inter-domain SD-WAN services.
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