What TSC functions does NSP provide?

Automating the creation, modification, and deletion of transport slices

Automation of transport slice creation, modification, and deletion is accomplished through the end-to-end Network Slice Orchestrator using NS Profiles through the IETF transport slice NBI. The NSP as TSC provides full intent-based programmability of the transport slice. The TSC functionality is itself an intent type, and the TSC can use any intent types available on NSP for realization of transport slices.

Monitoring, analytics, and reporting on transport slices

Monitoring, analytics, and reporting on transport slices is accomplished through notifications and datastore updates. Performance status monitoring is provided by three categories of statistics:

• per transport slice SLO group

• per transport slice connection

• per transport slice endpoint

These statistics can be viewed in the TSC dashboard. NSP Analytics can generate historical reports using transport slice bandwidth and latency custom reports. The following report types have been added to NSP Analytics specifically for transport slices:

• latency-based reports

• bandwidth-based reports

Telemetry data (stats, alarms, OAM results) from the network are collected by NSP. The TSC associates this data with transport slices to determine the transport slice SLA. These SLAs are then:

• displayed on the dashboard

• exposed to NSP Analytics for TSC reports

Closed-loop optimization of transport slices

Optimization of transport slices is accomplished through the PCE, which pro-actively monitors the tunnel resources and performs the closed-loop optimization (e.g. LSP re-route). Optimization-based changes are sent to the TSC, which provides optimization reports and sends data on optimization events to the orchestrator.