Network Simulator
ns-3 is a discrete-event network simulator for Internet systems, targeted primarily for research and educational use. ns-3 is free, open-source software, licensed under the GNU GPLv2 license, and maintained by a worldwide community.
Recent News (Older)
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ns-3.47 released
ns-3.47 has been released, due to contributions from twenty-eight authors. This release adds new traffic generators from the IEEE 802.11ax evaluation methodology, support for TCP Forward Acknowledgement, and improvements to 3GPP propagation models for outdoor-to-indoor penetration losses.
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ns-allinone-3.46.1 released
A new ns-allinone release, following the October ns-3.46.1 release has been published. The ns-allinone release series bundles compatble extension modules with the mainline ns-3 release. This release includes fifteen compatible contributed modules, including five newly added modules and one (wimax) that was migrated from the ns-3 mainline.
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ns-3.46 released
The ns-3.46 release has been published. This release adds a new Zigbee groupcast and APS layer support, a new wraparound interference model for spectrum channels, and a new Wi-Fi simulation helper for static associations, and contains maintenance and small feature updates for the other modules, as listed in the release notes. This release is due to seventeen contributors, including six new contributors.
Announcements
Proceedings are now available for the International Conference on ns-3 (ICNS3). Many thanks to everyone who made it happen!
- ICNS3 2026 will be held from October 19-21 at the University of Naples Federico II