network-emulator

Chaos testing, network emulation, and stress testing tool for containers

GNS3 Graphical Network Simulator

GNS3 server

A lightweight container-based network emulation system.

Integrated Multiprotocol Network Emulator/Simulator

Mininet-based NDN emulator (mailing list: https://www.lists.cs.ucla.edu/mailman/listinfo/mini-ndn)

Examples for the IMUNES network emulator

Flow-Based Network Emulator

Network Interface Communication Emulator

Docker Orchestrator for Network Emulation

phantomlink looks like a multi-hop Internet path, but emulates a virtual end-to-end link

A browser-based network topology simulator, emulator, and analyzer for designing, testing, and visualizing network scenarios.

Emulator for Testing Congestion Control Algorithms in a Dumbbell Network

Custom topologies written for mininet emulator

Integrated Multiprotocol Network Emulator/Simulator

🌐 A miniature of the Internet

Network Playground

A browser-based tool to apply real Linux traffic control (tc/netem) impairments to network interfaces. Built for Fortinet SD-WAN, SASE, and general network lab testing.

Multipath Emulation Testbed for jointly emulating Cellular and Satellite links to measure the performance of Multipath Transport Protocols like MPTCP and MP-DCCP.

Last-mile network emulator for Docker sidecars: country profiles (delay, loss, bandwidth), shaped DNS, and transparent HTTPS MITM path delay