# Network Backend :::{note} This page is currently under construction. Please stay tuned for updates! ::: ASTRA-sim currently supports three network simulators as its communication modeling backend. - Analytical Network Simulator - ns-3 Network Simulator - Garnet (from gem5) Network Simulator Users can also define their own custom network backend. :::{toctree} analytical-network-backend.md ns3-network-backend.md garnet-network-backend.md custom-network-backend.md :::