Ns-3.20

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This page summarizes the release planning for ns-3.20. The ns-3 release process is listed here and here.

The release managers is Tom Henderson. Contact Tom if you would like to help with the release, or if you would like to coordinate your software inclusion (patch, bug fix, module) with this release.

Release schedule

ns-3.20 is scheduled for April 23, 2014 April 30, 2014 (to be determined pending resolution of below issues).

Code freeze and release candidate planned for Fri Apr 18 Fri Apr 25 (to be determined pending resolution of below issues).

Packaging

ns-3.20 will be packaged as a source tarball as before: ns-allinone-3.20.tar.bz2.

The tarball will contain:

• pybindgen
• netanim-3.105
• ns-3.20
• bake

where bake is used to fetch optional ns-3 components, including DCE.

A patch from ns-3.19 to ns-3.20 will also be posted.

Release platforms

Our primary platforms for this release are planned to be:

• Fedora 20 (32/64 bit systems)
• Ubuntu 13.10 and 14.04 (32/64 bit systems)
• Ubuntu 12.04 LTS and 10.04 LTS (64 bit)
• CentOS/RHEL 6.4 (64-bit)
• Mac OS 10.9 Mavericks (64 bit) with Xcode 5.1
• FreeBSD 9.2 (64 bit)

Remaining work before release

New features

• Lr-Wpan (https://codereview.appspot.com/89730043)
  • Status: Final pre-merge repo staged at http://code.nsnam.org/lr-wpan/ns-3-dev-with-lr-wpan
• WiFi sleep mode (https://codereview.appspot.com/57210044/)
  • Status: Waiting for review of new code (posted Friday) from Daniel.
• PacketSocket application (https://codereview.appspot.com/45320043/)
  • Status: Waiting for Tom's review of recent revisions
• Flow Monitor IPv6 support (https://www.nsnam.org/bugzilla/show_bug.cgi?id=1818)
  • Status: Ready to merge (Tommaso) Merged
• Adding A-MPDU aggregation (https://codereview.appspot.com/14549044/)
  • Status: Daniel reviewing to recommend which chunks can be merged to ns-3-dev now, and which saved for later.

Bugs in core or build system

• bug 1900 https://www.nsnam.org/bugzilla/show_bug.cgi?id=1900 time arithmetic consistency across platforms
  • Status: For ns-3.20, propose to solve this according to bug 1900 plan (adjust the failing tests)
• bug 1898 https://www.nsnam.org/bugzilla/show_bug.cgi?id=1898 problem with click
  • Status: Fixed
• bug https://www.nsnam.org/bugzilla/show_bug.cgi?id=1857 boost library detection
  • Status: Patch needs to be applied
• bug 1868 https://www.nsnam.org/bugzilla/show_bug.cgi?id=1868 fstrict-overflow fixes
  • Status: Once patch is confirmed on clang systems, Peter plans to push the patch
• bug 1847 https://www.nsnam.org/bugzilla/show_bug.cgi?id=1847 test.py output for failed tests
  • Status: Waiting for brief review before pushing.

Bugs in models to fix

• bug 1770 (mesh) https://www.nsnam.org/bugzilla/show_bug.cgi?id=1770 selected mesh tests failing
  • Status: Peter bisected this while working on bug 1868, but hasn't been debugged yet.
• bug 1895 and bug 1872 (dsr) https://www.nsnam.org/bugzilla/show_bug.cgi?id=1895 DSR fixes
  • Status: Seems to be nearing completion to merge.
• bug 1831 https://www.nsnam.org/bugzilla/show_bug.cgi?id=1831 TCP slow start tracing
  • Status: Brian reviewing.
• bug 1858 https://www.nsnam.org/bugzilla/show_bug.cgi?id=1858 Wireless examples
  • Status: Assigned to Daniel to review
• bug 1824 https://www.nsnam.org/bugzilla/show_bug.cgi?id=1824 (bind2netdevice for IPv6)
  • Status: Waiting for review, may not make this release
• bug 1758 https://www.nsnam.org/bugzilla/show_bug.cgi?id=1758 (missing 802.11n error rate models )
  • Status: May be addressed by the patch in https://codereview.appspot.com/14549044/
• bug 1557, 1553 https://www.nsnam.org/bugzilla/show_bug.cgi?id=1557 openflow patches
  • Status: need to review this again (forget the details)
• 1205 https://www.nsnam.org/bugzilla/show_bug.cgi?id=1205 EDCA incorrectly identified as DCF
  • Status: Daniel reviewing the pending patch

Bugs in models fixed

• bug 1276 https://www.nsnam.org/bugzilla/show_bug.cgi?id=1276 NIST error rate model optimization
• bug 1817 https://www.nsnam.org/bugzilla/show_bug.cgi?id=1817 IP ID for each protocol
• bug 1873 https://www.nsnam.org/bugzilla/show_bug.cgi?id=1873 Energy source/container confusion
• bug 1829 https://www.nsnam.org/bugzilla/show_bug.cgi?id=1829 TCP socket forking
• bug 1791 https://www.nsnam.org/bugzilla/show_bug.cgi?id=1791 TCP endpoint deallocation
• bug 1903 (Olsr) https://www.nsnam.org/bugzilla/show_bug.cgi?id=1903 fix namespace usage
• bug 1876 https://www.nsnam.org/bugzilla/show_bug.cgi?id=1876 (olsr HNA access)
• bug 1850 https://www.nsnam.org/bugzilla/show_bug.cgi?id=1850 TCP NewReno patch

Other merges

• Nicola to merge some additional LTE patches.