Abstract: This disclosure describes systems, methods, and devices related to determining persistent service paths between provider edge devices and customer edge devices. A device may identify a service identifier associated with a service provided by a communication network; identify, based on the service identifier and traffic data of the communication network, one or more first adjacencies between provider edge devices, of the communication network, using a service indicated by the service identifier; identify, based on the service identifier and traffic data of the communication network, one or more second adjacencies between the provider edge devices and customer edge devices using the service; and map, based on the one or more first adjacencies and the one or more second adjacencies, a persistent service path between a customer edge device of the customer edge devices and a provider edge device of the provider edge devices.

Abstract: This disclosure describes systems, methods, and devices related to performing event-driven diagnostics for a communications network. A device may identify a service identifier of a service provided by the communications network to a customer; identify, based on the service identifier, a persisted path for the service, the persisted path generated prior to any user request to perform a diagnostic on the service, and the persisted path including devices and interfaces used to provide the service; receive performance metrics of the devices and interfaces of the persisted path; detect, without receiving any user request to perform a diagnostic on the service, based on comparisons of the performance metrics to event criteria, an occurrence of an event in the persisted path; and present, based on the occurrence of the event, a notification of the event to the customer.

Abstract: This disclosure describes systems, methods, and devices related to software-defined wide area network (SD-WAN) overlays for evaluating services provided by a communications network. A device may identify a SD-WAN overlaying a virtual private network (VPN) of a communications network, the VPN including multiprotocol label switching (MPLS) and the Internet, the MPLS and the Internet associated with connecting a one or devices to a datacenter; retrieve, using an application programming interface (API), analytical data from the SD-WAN; identify devices and interfaces of the SD-WAN; receive performance metrics of the devices and interfaces; detect, based on comparisons of the performance metrics to event criteria, an occurrence of an event in the VPN; and present, based on the occurrence of the event, of a notification of the event to a customer of the VPN.