ns-3.35 was released on October 1, 2021, due to contributions from nineteen authors. This release provides a number of small feature improvements (IPv6 support for NixVectorRouting, a group mobility helper, improvements to the Wi-Fi 802.11ax support, and extensions to the planar array antenna model). Many additional improvements and bug fixes are listed in the RELEASE_NOTES.


The ns-3.35 release download is available from this link. This download is a source archive that contains some additional tools (bake, netanim, pybindgen) in addition to the ns-3.35 source. The ns-3 source code by itself can also be checked out of our Git repository by referencing the tag ‘ns-3.35’.


The documentation is available in several formats from this link.

  • What has changed since ns-3.34? Consult the changes and RELEASE_NOTES pages for ns-3.34.
  • A patch to upgrade from ns-3.34 to ns-3.35 can be found here
  • Errata containing any late-breaking information about the release can be found here