Table of Contents

• 1.   Introduction
• 1.1 News and Highlights
• 1.2 Contributions and Collaborations
• 1.3 Statistics


• 2.   ns-3 Development
• 2.1 Release Schedule
• 2.2 Technical Progress
• 2.3 Actions and Open Issues


• 3.   ns-2 Maintenance
• 3.1 Release Schedule
• 3.2 Technical Progress
• 3.3 Actions and Open Issues

1.   Introduction

This monthly report summarizes the ns-3 project, a collaborative project funded under the following grants:

• NSF CNS-0551686 (University of Washington);   PIs: Tom Henderson and Sumit Roy
• NSF CNS-0551378 (Georgia Institute of Technology);   PI: George Riley
• NSF CNS-0551706 (International Computer Science Institute);  PI: Sally Floyd

1.1 News and Highlights

• The project made a regular monthly development release of ns-3 on August 15. This release included a number of new features, including global unicast centralized routing, mobility framework and basic mobility models, a CSMA NetDevice model, and some refactoring of the Address class, sockets, and other changes to support win32-based unix environments.
• An ns-2 release (ns-2.32) is planned for early September.

1.2 Contributions and Collaborations

• We regularly collaborate with the Planete research group at INRIA Sophia Antipolis. Mathieu Lacage is the lead developer.
• Emmanuelle Laprise contributed a basic CSMA channel model, a packet socket model, and has proposed som decoupling of traffic generators and applications.
• Gustavo Carneiro is contributing dynamic routing (OLSR) software, is maintaining the waf build system, and is contributing to overall architectural development of the simulator.

1.3 Statistics

• There were ~6700 downloads of ns-2 and ns-allinone packages from Sourceforge in August.
• There were 289 posts to the ns-users mailing list and 103 posts to the ns-developers mailing list in the past month.
• There are 28 open bugs and 12 patches on the ns-2 tracker
• There are 19 open bugs/issues on the ns-3 tracker. There are additionally several code proposals being reviewed on the ns-3 wiki.

2.   ns-3 Development

2.1 Release Schedule

We plan the following for the ns-3.0.6 release in September:

• Static multicast IPv4 routing
• Tracing/logging overhaul
• Documentation: initial tutorial and user's manual

2.2 Technical Progress

The emphasis in August has been on developing further the static multicast routing, on cleanup and fixing of a number of lingering bugs, and on a revamp of the tracing and logging system.

2.3 Actions and Open Issues

We started in October to track open issues and bugs in a Bugzilla tracker: http://www.nsnam.org/bugzilla.

3.   ns-2 Maintenance

The project is maintaining ns-2, nam-1, otcl, and tclcl while ns-3 is being developed.

• ns-2
• nam-1
• otcl and tclcl

3.1 Release Schedule

This email message describes the release plans for ns-2: roadmap for ns-2

3.2 Technical Progress

Nothing to report.

3.3 Actions and Open Issues

• ns-2 bugs are logged in a Sourceforge tracker.
• ns-2 patches (waiting for review) are logged in this patch tracker
• ns-2 tasks (TODO list) are logged in this task tracker
• nam-1 tasks (TODO list) are logged in this task tracker

The below are the major action items and open issues.

ns-2 validation problems

Owner: None.

Description: Certain validation tests have been failing on various platforms (Cygwin, Fedora Linux) while passing on FreeBSD for several release versions.

Status: Cygwin and 64-bit Linux are the main open issues right now. We recently segregated validation tests into "portable" and "non-portable" lists, and print a disclaimer during run-time that failure of some of the non-portable variants is not necessarily problematic.