Ns-3.11

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This page summarizes the ongoing release planning for ns-3.11. Josh Pelkey <jpelkey@gatech.edu> will manage the release.

Proposed Release Schedule

1. January 5 -- ns-3.10 posted
2. January 5 -- ns-3.11 Open phase begins
3. March 18 -- Deadline for new feature merge
4. March 18 -- Begin the phase of small feature development and bug fixing
5. April 6 -- Small feature development and bug fixing ends
6. April 6 -- Open phase ends
7. April 6 -- Maintenance phase begins
8. May 15 -- Maintenance phase ends
9. May 15 -- Code freeze phase begins
10. May 15 -- ns-3.11-RC1
11. May 17 -- ns-3.11-RC2
12. May 19 -- ns-3.11-RC3
13. May 22 -- ns-3.11 posted
14. May 22 -- Code freeze phase ends
15. May 22 -- ns-3.12 Open phase begins

To Do List for Release Candidate

• Fix blocker bugs
  • Bug 1099 - AODV performance problems

• Mitch Watrous is working on the following modular build-related items:
  • Update documentation: fix module paths.
  • Update documentation: how to use the configuration (.ns3rc) file

• Documentation updates are planned:
  • Update project documentation for modular build changes (Mitch Watrous)
  • Split existing manual to a "developers manual" and a "model library" manual
  • Remove "testing" document; move pieces to developers manual and model library manual
  • Add python page to manual
  • Remove duplicate doxygen documentation
  • Create module template that can be easily cloned
  • Create datasheet for ns-3
  • Create cheatsheet(s) for ns-3
  • Write down duties of release manager somewhere

• Coding style update will be applied

• Move python examples to modular bindings

ns-3.11 Features Merged

• modular build
• ns-3 click
• ns-3 openflow

The ns-3.11 Bug List

Highest Priority

• bug 1038 -- Time::Get*Seconds () return signed integer while actually returning unsigned.
• bug 1044 -- Seconds (1e-9) creates Time that is not IsPositive ()
• bug 445 -- Class name rename Scalar->Dimensionless
• bug 976 -- wifi-wired-bridging regression test fails because of rounding errors in mobility model
• bug 1042 -- AODV RERR implosion (missing RERR_RATELIMIT)
• bug 1079 -- MPI code doesn't compile
• bug 1095 -- MPI enable configuration failed in Fedroa 14
• bug 1099 -- AODV performance problems

High Priority

• bug 1033 -- airtime-metric
• bug 409 -- Routing messages can exceed MTU, and fragmentation not supported
• bug 631 -- RealtimeSimulatorImpl not compatible with python bindings
• bug 555 -- DCF immediate access bug
  • patch existing / needs further testing and verification
• bug 521 -- Ipv4 global routing inefficient
• bug 938 -- missing Doxygen
• bug 1018 -- mobility --> helper --> mobility circular dependency
• bug 1017 -- node --> internet-stack --> node
• bug 756 -- Build should be configurable to avoid using optional components
• bug 912 -- modeling processing delays

Possibly easy fixes

• bug 976 -- udp tx buffer is not fixed size
  • possibly WONTFIX
• bug 1006 -- UDP socket tx buffer back pressure needed
  • somewhat related to bug 141
• bug 996 -- TCP FIN-WAIT-2 bug
  • pinged Adrian about this one, likely fixed
• bug 272 --InternetStackHelper::Install does not mention the fact that it aggregates PacketSocketFactory
• bug 1038 -- Time::Get*Seconds () return signed integer while actually returning unsigned
• bug 798 -- In test.py: CRASH: TestSuite ns3-tcp-cwnd CRASH: TestSuite ns3-tcp-interoperability.
  • is this still valid?
• bug 957 -- Issue with test.py
  • patch exists
• bug 190 -- Reminder: NS_LOG_APPEND_CONTEXT
  • remove from tracker?

For Josh Pelkey -- me

• bug 582 -- tags are not serialized and deserialized from Packet::Serialize and Packet::Deserialize
• bug 1039 -- TCP Nagle algorithm and RTO calculation
• bug 730 -- Enabling fragmentation at run-time breaks simulation