Ns-3.21

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This page summarizes the release planning for ns-3.21. The ns-3 release process is listed here and here.

The release manager is TBD. More information about the release plans will be posted in late June.

Release schedule

ns-3.21 is planned for mid-August, 2014.

Packaging

ns-3.21 will be packaged as a source tarball as before: ns-allinone-3.21.tar.bz2.

The tarball will contain:

• Latest version of pybindgen
• Latest version of netanim
• ns-3.21
• bake

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

A patch from ns-3.20 to ns-3.21 will also be posted.

Release platforms

We usually try to keep pace with the latest popular versions of Linux, OS X, and FreeBSD. For the ns-3.21 release, we plan to support the following systems and compilers:

• OS X 10.9 Mavericks with Xcode 5.1
• Ubuntu 14.04 (gcc-4.8)
• Fedora 20 (gcc-4.8)
• Debian 7 (gcc-4.9)
• Ubuntu 10.04 LTS (gcc-4.4)
• Ubuntu 12.04 LTS (gcc-4.6)
• Centos 6.4 (gcc-4.4)
• FreeBSD 9.3 (clang 3.3)

New features

Pending new features:

• Self-Delimiting Numeric Values (https://codereview.appspot.com/97540043/)
  • Status: In final code review
• (enhancement) RttEstimator improvements. The RttEstimator is a class used by TCP to track round trip time measurements and state.
  • Make RttEstimator available to other modules
  • move backoff management to TCP, align with RFC 6298
  • Make trace source of Tcp's RTO (and perhaps SRTT and RTTVAR) easier
• TCP Options support from SOCIS TCP project
• (enhancement) Add propagation delay capability to SimpleChannel (for testing purposes)
• CoDel queue support (from GSoC bufferbloat project)

Additionally, selected features from the Current Development code reviews list will be included (to be determined).

Bugs in core or build system

TBD

Bugs in models to fix

TBD

Other merges

TBD