Abstract
Air traffic management (ATM) plays an important role in maintaining and promoting air traffic safety, maintaining air traffic order and ensuring smooth air traffic. As the core of air traffic management, it is essential to ensure the safe and stable operation of system-wide information management (SWIM). Facing the complex and ever-changing network environment, a SWIM services dynamic migration method is proposed in this paper. This method combines SWIM core services to select destination nodes and migrate services. The experiment proves that the method can hide the service node while ensuring service continuity and increase the difficulty of malicious detection. By comparing with others, this method is more suitable for SWIM in terms of invulnerability. The throughput and delay performance of the method can meet the needs of SWIM.
Highlights
With the continuous development of civil aviation industry, more and more aircraft enter the airspace, which brings great pressure to air traffic management (ATM), and brings new challenges to civil aviation data transmission and exchange
When the dynamic migration mechanism is trigged by the time interval, the service node SP needs to hand over the service authority to the optimal quality of service node, and the destination node selection module acquires the QoS index of the candidate destination node in the migration cluster, and calculates the system-wide information management (SWIM) service provision according to Equation (11)
The SWIM service dynamic migration method obtains the number of SWIM service providers providing the service topic in the SWIM network, and the quality of service according to the service subject of the SC subscription
Summary
With the continuous development of civil aviation industry, more and more aircraft enter the airspace, which brings great pressure to air traffic management (ATM), and brings new challenges to civil aviation data transmission and exchange. As the core of next-generation air traffic management, SWIM is a key component of civil aviation network information interaction and data sharing [2]. In the process of a civil aviation department as a SWIM service provider, SWIM service consumers and SWIM service providers use SWIM core services to achieve data transmission and information sharing. SWIM service in three steps through 1–2–3, SWIM sends SC subscription information to SP, SP push service information to subSWscIMribers This multi-sourcreegSaiesrtrvrcaictheiointecture provides innate conditions for survivability enhancement anrdegidstriysaster recovery backupd.atOabauser main research focus is on the SWIM infrastructure layer, which uses SWIM cor4e services to seamlessly migrate service permissions to enhance network survivability. In the process of obtaining aviation weather information service through the SWIM network, it is assumed that a civil aviation meteorological department of China provides aviation weather information service to the airline.
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