Page 52 - Kaleidoscope Academic Conference Proceedings 2022

2022 ITU Kaleidoscope Academic Conference

The collected control data from various network segments machines, CPU, GPU, memory) and storage resources,
are managed by the integrated control data service while the NTN may demand more RF bandwidths for
functions. The data service functions are responsible for feeder and service links or replacement of RF links by FSO
checking the data consistency and providing control data in links due to changes in weather conditions and user traffic
dynamically adjustable granularity to the E2E network demands. Different combinations of resource allocation
status analysis function through on-demand and streaming strategies can be considered as feasible candidate solutions
data services. and evaluated their fitness by using mathematical
optimization models and/or machine learning models. The
The E2E network state analysis function processes optimal resource allocation and control decisions are
integrated control data to assess the status of end-to-end provided to the integrated control and orchestration
network services by analyzing the status of resource function.
utilization and performances of all involved network
segments. It also uses the input given by the application The integrated control and orchestration function executes
requirements and user intent analysis component to judge the control decision by generating a list (or configuration
the network service quality with respect to service level file) of appropriate resource control commands for each
agreements. The application requirements and user intent network segment involved in the end-to-end network
analysis component includes necessary functionalities to service and sending the command lists to all network
interpret the user and service provider expectations segments through integrated network control interfaces.
expressed in abstract policies (called intents) and convert
them into the control system-understandable parameters
that can be mapped into well-defined service configuration
templates.

Integrated network control system

Control Monitoring data
Individual network control system
Network control external interfaces

Application requirements,
user intent analysis

Network resource
allocation, management, Network state analysis
optimization Control data
service

Network control, orchestration
Control commands Control data
Network control internal interfaces
Satellites, HAPS FSO link
Radio link

SOC
UE NTN GST NTN-TN
terminal GW
NOC
NTN physical resources

Figure 4 - Functional architecture of individual network segment

The E2E resource allocation, management and optimization 4.2 Control system architecture of individual
functions formulate optimal control decisions on the basis network segment (assuming NTN)
of the current and predicted future states of network
segments involved in an end-to-end communication service, Figure 4 shows the functional architecture of an individual
together with the prediction of available resources and their network segment’s control system, assuming the NTN
demands. Different kinds of network segments can have physical components as the controlled elements. The
different kinds of resources on demand. For example, data individual network control system’s functional architecture
networks may demand more computational (e.g. virtual components are similar to the functional components of

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