Description: Traffic simulation is the practice of modeling traffic patterns to test routing strategies in networks. This technique allows network engineers and system administrators to analyze how traffic behaves in different scenarios, facilitating the identification of bottlenecks, resource optimization, and service quality improvement. Using advanced tools, models can be created that replicate real traffic behavior, allowing for testing without affecting the existing infrastructure. Traffic simulation is particularly relevant in the context of various networking environments, where dynamic and adaptive routing policies can be implemented. Additionally, on various cloud platforms, traffic simulation can help evaluate the effectiveness of load balancing and geographic routing strategies. In the realm of Network Function Virtualization (NFV), this practice becomes an essential tool to ensure that virtualized functions respond adequately under different traffic conditions, thus ensuring network resilience and efficiency. In summary, traffic simulation is a crucial technique that allows organizations to anticipate and manage traffic behavior in their networks, improving planning and decision-making.