Network Simulator

ns-3 is a discrete-event network simulator for Internet systems, targeted primarily for research and educational use. ns-3 is free software, licensed under the GNU GPLv2 license, and is publicly available for research, development, and use.

Recent News (Older)

  • ns-3 selected for Google Summer of Code

    We are pleased to again be selected for Google Summer of Code, our 12th year in the program. Student applications are due by April 13. More information about ns-3 and GSoC can be found on our wiki page.

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  • ns-3.33 released

    The ns-3.33 release is now available, due to contributions from twenty three authors. ns-3.33 contains the following new features:

    • TCP CUBIC congestion control, and alignment of ECN handling with Linux behavior
    • New error models for Wi-Fi, based on link simulation results
    • A channel condition model for vehicular scenarios

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  • WNS3 2021 Call for Papers

    The project will be holding its next annual meeting virtually during the week of June 21, 2021. The Workshop on ns-3 Call for Papers is posted; the paper submission deadline is (extended to) March 8, 2021.

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Google Summer of Code

ns-3 is participating in the 2021 Google Summer of Code. Find out more.

ACM SIGCOMM Networking Systems Award

"ns" family of simulators awarded the 2020 ACM SIGCOMM Networking Systems Award

Link to announcement