IMPLEMENTATION OF SOFTWARE DEFINED NETWORKING FOR SIMULATION AND ANALYSIS OF DDOS ATTACKS ON SCHOOL NETWORKS

Abstract

The development of digital services in school environments has increased the importance of network security, particularly in addressing Distributed Denial of Service (DDoS) attacks that can disrupt network service availability. This study aims to develop a school network security simulation based on Software Defined Networking (SDN) and analyze the characteristics of normal traffic and DDoS attack traffic. The research method employed is an experimental approach through network simulation using the Mininet emulator and Ryu Controller. The study began with identifying school network security requirements, followed by designing the SDN network topology, implementing the simulation environment, generating normal traffic, and simulating DDoS attacks using the TCP SYN Flood method. Data collection was conducted using Wireshark, tcpdump, and SDN controller logs to obtain traffic parameters such as throughput, packet loss, delay, jitter, and packet rate. The results showed that normal traffic had an average throughput of 320 Kbps with stable network conditions, while during DDoS attacks the throughput increased significantly to 9.8 Mbps, accompanied by substantial increases in packet loss, delay, and jitter. These findings indicate that DDoS attacks directly affect the quality of school network services. Furthermore, the SDN architecture provides centralized traffic monitoring capabilities, making it a promising approach for developing DDoS detection and mitigation systems in school networks.