Ns-3.13

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This page summarizes the ongoing release planning for ns-3.13. There is no appointed release manager yet. The ns-3 release process is listed here and here.

Proposed release schedule

1. Wed Nov 23 (tentative) -- new feature freeze, enter bug fixing stage
2. Wed Dec 7 (tentative) -- code freeze on ns-3-dev
3. Wed Dec 14 (tentative) -- ns-3.13 released

Proposed supported platforms

• Ubuntu 11.10 (32/64 bit)
• Ubuntu 11.04 (32/64 bit)
• Ubuntu 10.04 LTS (64 bit)
• Fedora Core 16 (32/64 bit)
• Fedora Core 15 (32/64 bit)
• Mac OS X Lion and Snow Leopard (64 bit)

Packaging

We will use ns-allinone-3.13.tar.bz2 packaging as before.

new feature reviews

NSOC code merges:

• Monitor mode support
• LTE RRC extension
• IPv6 address generator

Other requests for merge:

• DelayBox
• RED queues, mailing list post (needs rebasing to ns-3-dev? needs test code?)
• Dynamic Source Routing (DSR)
• TDMA model
• BRITE Integration
• LTE code from the Lena project
• NetDevice queue feedback
  • explained here: http://mailman.isi.edu/pipermail/ns-developers/2011-July/009170.html
• Animation interface changes (to support XML output)
• Virtual Access Point (VAP) for WiFi
  • needs updated to ns-3.11 code; needs review
• GetRelativeVelocity() for MobilityModel
  • needs review
• PhySimWifi
  • needs review
• thread-safe implementation of ScheduleWithContext
• simple wireless models
• Jamming model
• MPLS
• TCP Vegas (blocked by lack of progress on TCP congestion control architecture)

Bugs being worked

• 756 Graceful build failure when libraries broken
• 962 path to attributes has bogus entries
• 1039 TCP Nagle and RTO (Adrian) (also bug 1227 is a duplicate)
• 1055 possible UAN bug (Andrea)
• 1112 TCP deadlock (Adrian)
• 1127 Netanim compatibility for xcode 4 and wiki updates
• 1166 ns-3 TCP DCE problems with RST (Adrian)
• 1170 best practices for unused variables
• 1172 Implement trivial XML output feature for Animation Interface
• 1173 Valgrind detects memory leaks from Click when using ns-3-click
• 1179 Add LTE trace hooks for supporting visualizer (Giuseppe)
• 1186 Ipv4Header lacks DSCP and ECN Needs patch
• 1192 Some test cases fail to clean up properly (missing DoTeardown) (Mathieu, Claudio)
• 1216 RvBatteryModel segfalts if the update event happens before load changes (Andrea)
• 1217 simple-odfm-wimax-phy creates UniformVariable in a critical path (Flavio)
• 1218 Supply a mechanism to build python binding for multi-version of python
• 1227 TCP minRTO too low (Adrian)
• 1229 Multiplication overflow in WaypointMobilityModel::EndMobility method
• 1238 documentation
• 1241 documentation
• 1246 config store needs examples and tests
• 1247 waf --enable-shared-and-static

Also, the collection of RealtimeSimulatorImpl and TapBridge patches (Tom Goff is looking at):

• Simulator::Next useless depends on 631
• RealtimeSimulator and Ctrl-C
• Tap Bridge and Emu Net Devices Do Not Shut Down Properly
• Make realtime simulator last until stop

Feature requests

This lists some features that have been requested but for which a patch is needed.

• make spectrum model compatible with ns-3 WiFi
• ns-2 packet UID feature
• API for TOS bytes (issue 897) may wait for netfilter support
• Chord/DHT (authors are planning to revise code based on comments)
• app store and build system refactoring