Abstract — In the virtual world, the presence of network perimeter protection is essential. With the exponential growth of the Internet, networks are facing more and more problems. In certain cases of traffic jams or congestion drops, packets could not be delivered because there was no longer enough bandwidth available on the router link. Because you receive more packets than your router can handle. And the router's buffer size is overflowed by the packet. The main purpose of this research is to design and implement a congestion avoidance technique called “Network Border Patrol”.

This affects routers (ingress, egress, core stateless) that need to regulate traffic to avoid undelivered packets or packet loss to provide a better quality of service. Specific network simulators should be used to visualise exactly how some algorithms can prevent congested links from collapsing. The algorithms are simulated in NS3 to test their performance and optimize network performance, improving QoS, and identifying areas for improvement. The results obtained demonstrate the effectiveness of the algorithms in regulating network traffic, optimizing traffic flow, and improving packet drop and congestion collapse.

 Keywords — Computer network, Congestion collapse, Leaky bucket, Token bucket, Rate control algorithm, ingress and egress routers

PDF | DOI: 10.17148/IJARCCE.2023.125153

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