Save Big on Coursera Plus. 7,000+ courses at $160 off. Limited Time Only! Grab it Learn how to simulate large-scale networks on a personal laptop through this 33-minute NANOG tutorial presented by Maria Matejka from CZ.NIC. Discover Flock, an open-source lightweight tool that enables simulating hundreds or even thousands of interconnected network nodes without requiring external hardware or datacenter resources. Master the ability to create comprehensive network simulations for educational purposes or router software testing, even in offline environments, making complex network topology experimentation accessible and practical on standard computing equipment.