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

  • ns-3 selected for Google Summer of Code

    We are pleased to again be selected for Google Summer of Code, our 11th year in the program. Student applications are due by March 31. More information about ns-3 and GSoC can be found on our wiki page.

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  • Google Code-In awardees announced

    Google has announced ns-3’s winners for the Google Code-In 2019 contest, and they are Aditya Vardhan Singh and Kartik Agarwala. The winners will receive a trip later this year to Google headquarters. We also wish to recognize our runners up Sai Putravu and Stanislaw Howard, and our finalists Jackson Lewis and Peter Terpstra. The students amazed us with their work in the contest.

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  • Google Code-In Wrap-up

    The seven-week Google Code-In 2019 contest wrapped up today, with 292 tasks successfully completed by 42 students. Thanks are due to Mohit Tahiliani for leading ns-3’s effort, for the many mentors who guided the work, and to the many student contributors whose efforts will be folded into ns-3.

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Google Summer of Code

ns-3 is part of Google Summer of Code.

Find out more