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RELEASE_NOTES
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ns-3 RELEASE NOTES
This file contains ns-3 release notes (most recent releases first).
All of the ns-3 documentation is accessible from the ns-3 website:
http://www.nsnam.org including tutorials: http://www.nsnam.org/tutorials.html
Consult the file CHANGES.html for more detailed information about changed
API and behavior across ns-3 releases.
Release 3.22
============
Availability
------------
This release is available from:
http://www.nsnam.org/release/ns-allinone-3.22.tar.bz2
Supported platforms
-------------------
This release has been tested on the following platforms:
- Fedora Core 21 (64 bit) with g++-4.9.2
- Ubuntu 14.10 (32 bit) with g++-4.9.1
- Ubuntu 14.04 (64 bit) with g++-4.8.2
- Ubuntu 12.04.4 (32/64 bit) with g++-4.6.3
- CentOS/RHEL 6.6 (64-bit) with g++-4.4.7
- OS X Yosemite 10.10 with Xcode 6.1.1 and clang-600.0.56
- FreeBSD 10.1-RELEASE (64 bit) with clang-3.4.1
New user-visible features
-------------------------
- (wifi) Support for MPDU aggregation has been added to the wifi model,
as well as a number of related example programs.
- (wifi) Added two combined power and rate control mechanisms to the
wifi module. The new mechanisms, PARF and APARF, are the first in the
wifi module to jointly control transmission power and data rate. Two use
case examples (PowerAdaptationDistance and PowerAdaptationInterference)
and a test case have also been added.
- (lte) In previous releases of the LTE module, the bearer release
functionality was only partially supported. As an enhancement, a
complete release bearer procedure is now implemented, which can be
invoked by calling the new helper method
LteHelper::DeActivateDedicatedEpsBearer(). The related output can be
seen through the stats collected at different layers like PDCP, RLC,
MAC, PHY. To support this implementation, an example and test suite is
added within the LTE module examples and tests folder.
- (wave) Additional support has been added for WiFi-based vehicular networks,
including the channel-access coordination features of IEEE 1609.4 and a
comprehensive VANET routing example that includes a Basic Safety
Message (BSM) packet generator application and associated statistics
counters. Together, these allow users to evaluate the performance effects
in a VANET of varying transmission and channel properties (e.g., packet
rate, message size, transmit power, propagation loss model, impact of
routing protocol traffic, etc.).
- (internet) It is now possible to print the Neighbor Cache (ARP and NDISC)
by using the RoutingProtocolHelper
- (stats) A new TimeProbe class has been added to hook the data collection
framework to traced values emitting Time objects
- (documentation) the callback function signatures for all TraceSources
is documented in Doxygen
- (utils) print-introspected-doxygen.cc has had several enhancements;
use -h to read the usage message for details.
- (core) TracedValue and TracedCallback function signatures are now documented,
which required changing the TypeId::AddTraceSource API.
Bugs fixed
----------
- Bug 1405 - RttEstimator improvements
- Bug 1551 - NS_LOG_COMPONENT_DEFINE inside or outside of ns3 namespace?
- Bug 1726 - WiFi Minstrel rate control algorithm doesn't save state
- Bug 1734 - TcpSocketBase produces spurious delayed ACKs
- Bug 1758 - Yans and Nist error rate models for 5/6 code rate 802.11n HT
- Bug 1770 - mesh test and example crash for 32-bit optimized builds
- Bug 1774 - compute signal power around channel, not across whole band, and fix LrWpanHelper to add a default PropagationDelayModel
- Bug 1791 - TCP Endpoint never deallocates when closing
- Bug 1801 - Setting Wi-Fi timing parameters through WifiMac attributes (documentation fix)
- Bug 1906 - 802.11n PHY configuration for 2.4GHz and 5GHz devices
- Bug 1957 - UdpSocketImpl is stuck after a Close()
- Bug 1968 - Missing supported 802.11n HT rates in the WifiPhy constructor
- Bug 1969 - Support short guard interval durations in 802.11n
- Bug 1970 - Missing NotifyAckTimeoutStartNow in MacLow::StartDataTxTimers
- Bug 1971 - 802.11n at 2.4 GHz should include a signal extension duration
- Bug 1972 - CommandLine duplicate argument handling: documentation updated.
- Bug 1983 - FlowMonitor returns containers copies instead of references.
- Bug 1986 - test result divergence for lte-frequency-reuse test
- Bug 1991 - PcapFileWrapper::CaptureSize attribute (snaplen) has no effect.
- Bug 1995 - avoid multiple definitions of PI
- Bug 1996 - RSRQ calculation: misleading variable names
- Bug 1997 - Fix PlotProbe() documentation and usage for GnuplotHelper and FileHelper
- Bug 2002 - Hardcoded include paths cause breakage
- Bug 2011 - Default Speed attribute in ConstantSpeedPropagationDelayModel
- Bug 2016 - Radvd do not consider the SendAdvert option and don't reply to RS
- Bug 2020 - Erroneous MCS field in 802.11n PCAP files
- Bug 2021 - Missing const qualifier in TopologyReader::Link::Attributes{Begin,End}()
- Bug 2026 - 802.11n Ness parameter badly set for data frames
- Bug 2027 - Calculation of HT training symbol duration does not accurately follow 802.11n standard
- Bug 2028 - remove unnecessary Time to double conversions in Wifi models
- Bug 2029 - new CQI generation approach fix
- Bug 2030 - provide default values for WifiTxVector
- Bug 2037 - HT capabilities may print bogus chars
- Bug 2038 - Stop method does not stop next wave in WaveformGenerator
- Bug 2042 - LTE a3-rsrp-handover-algorithm.cc: error: overflow in implicit constant conversion
- Bug 2043 - print-introspected-doxygen crashes when some modules are disabled
- Bug 2044 - Buffer::Iterator::ReadNtohU16() and ReadNtohU32() not implemented correctly
- Bug 2045 - Missing NS_OBJECT_ENSURE_REGISTERED in TcpTxBuffer and TcpRxBuffer
- Bug 2046 - set Block Ack timeout when SetStandard is called
- Bug 2047 - Ipv6EndPointDemux::Lookup may crash
- Bug 2049 - CQI feedback should always use the same calculation method
- Bug 2053 - In tcp-socket-base.cc, NotifyDataSent incorrectly called with retransmits
- Bug 2055 - TCP TxBuffer and RxBuffer traces don't work
- Nix-vector routing implementation now uses a lazy flush mechanism,
which dramatically speeds up the creation of large topologies.
Known issues
------------
In general, known issues are tracked on the project tracker available
at http://www.nsnam.org/bugzilla/
Release 3.21
============
Availability
------------
This release is available from:
http://www.nsnam.org/release/ns-allinone-3.21.tar.bz2
Supported platforms
-------------------
- Fedora Core 20 (32/64 bit) with g++-4.8.2
- Ubuntu 14.04 (32/64 bit) with g++-4.8.2
- Ubuntu 12.04.4 (64 bit) with g++-4.6.3
- Ubuntu 10.04.4 LTS (64 bit) with g++-4.4.3
- CentOS/RHEL 6.5 (64-bit) with g++-4.4.7
- OS X Mavericks 10.9 with Xcode 5.1.1 and clang-503.0.40
- FreeBSD 9.2-RELEASE (64 bit) with clang-3.3
New user-visible features
-------------------------
- The LTE module now supports the transport of the S1-U, X2-U and X2-C
interfaces over emulated links via the new helper class EmuEpcHelper.
- CommandLine can now provide a shorthand argument name for any
Attribute.
- Implemented support for Frequency Reuse algorithms in LTE module, as the
outcome of GSoC 2014 project.
The project also includes several sub-features, such as:
- implementation of Downlink Power Control
- implementation of Uplink Power Control
- new DL-CQI generation approach, which increases throughput if FR algorithms
are used
- seven options of Frequency Reuse algorithms: LteFrNoOpAlgorithm,
LteFrHardAlgorithm, LteFrStrictAlgorithm, LteFrSoftAlgorithm,
LteFfrSoftAlgorithm, LteFfrEnhancedAlgorithm, LteFfrDistributedAlgorithm
- updated RadioEnvironmentMapHelper. Now RadioEnvironmentMap can be generated
for Data or Control channel and for specified RbId, what is helpful when
using FR algorithms
- Added a CoDel queue model. CoDel queues measure and control the queue
traversal delay. The ns-3 implementation is a port of the Linux
implementation.
- Added support for TCP timestamp and window scale options, and added
ability to trace the TCP slow start threshold value.
- SimpleNetDevice and SimpleChannel (used for adding basic link effects
for testing of higher-layer protocols) have been extended to support
the option of broadcast or PointToPoint link semantics. The bandwidth
and link delay can be constrained, and it uses an output queue.
- SimpleNetDevice and SimpleChannel can be installed in a node through
a new helper: SimpleNetDeviceHelper.
- Implemented new PacketSocketServer and PacketSocketClient applications.
The primary use is in tests, to avoid using the ones from the
application module that also bring in a dependency on the internet module.
Bugs fixed
----------
- Bug 1673 - Config::Set/Connect does not search for attributes in parent class
- Bug 1762 - UE stuck in IDLE_CONNECTING because RRC CONN REQ is not transmitted
- Bug 1811 - basic traffic generator for network module
- Bug 1824 - L4 protocol sockets should support BindToNetDevice over IPv6
- Bug 1831 - TcpSocket SlowStartThreshold is not a TraceSource
- Bug 1851 - WifiRadioEnergyModel energy consumption values are taken from a 802.15.4 chip
- Bug 1854 - std::out_of_range Problem
- Bug 1858 - wireless examples not correctly recording packet reception
- Bug 1860 - TCP needs the Window Scale option
- Bug 1893 - issue in DoSchedUlTriggerReq with harq
- Bug 1911 - AODV cannot work on nodes with more than one netdevice
- Bug 1921 - Icmpv6L4Protocol::ForgeEchoRequest returns a malformed packet
- Bug 1930 - Use of invalid reference in OLSR RemoveLinkTuple
- Bug 1932 - NdiscCache entry is not failsafe on double neighbor probing.
- Bug 1937 - FlowMonitor fails to track multiplexed packets
- Bug 1942 - refactoring of lte-sinr-chunk-processor -> lte-chunk-processor
- Bug 1943 - Waveform generator signal duration calc error
- Bug 1951 - AODV does not update nexthop for 1-hop nodes
- Bug 1955 - The IPv4 identification field should be unique per (source, destination, protocol) tuple
- Bug 1960 - Wrong information on index range, about Node::GetDevice
- Bug 1961 - planetlab-tap-creator "variable set but not used"
- Bug 1963 - AODV can tag the same packet twice (and raise an assert)
- Bug 1964 - Integer overflow on UniformRandomVariable::GetInteger()
- Bug 1967 - LL Multicast is not compressed in the right way in IPHC
- Bug 1981 - PyViz shell not compatible with ipython >= 0.11
Known issues
------------
- Bug 1770 - The mesh module will crash if used for g++ version >= 4.8.1
in optimized mode, on a 32-bit Linux machine. Lowering the optimization
level to -O1 in this case can be used as a workaround.
Release 3.20
=============
Availability
------------
This release is available from:
http://www.nsnam.org/release/ns-allinone-3.20.tar.bz2
Supported platforms
-------------------
- Fedora Core 20 (32/64 bit) with g++-4.8.2
- Ubuntu 14.04 (32/64 bit) with g++-4.8.2
- Ubuntu 12.04.4 (64 bit) with g++-4.6.3
- Ubuntu 10.04.4 LTS (64 bit) with g++-4.4.3
- CentOS/RHEL 6.5 (64-bit) with g++-4.4.7
- OS X Mavericks 10.9 with Xcode 5.1.1 and clang-503.0.40
- FreeBSD 9.2-RELEASE (64 bit) with clang-3.3
New user-visible features
-------------------------
- A new LrWpan model, providing initial support for IEEE 802.15.4 networks
- A new IPv6 routing protocol has been added: RIPng. This protocol is
an Interior Gateway Protocol and it is available in the Internet module.
- A new LTE MAC downlink scheduling algorithm named Channel and QoS Aware (CQA)
Scheduler is provided by the new ``ns3::CqaFfMacScheduler`` object.
- The Internet FlowMonitor can now track IPv6 packets.
- FlowMonitor no longer tracks multicast/broadcast packets, reflecting
its original design.
- FlowMonitor "SerializeToXml" functions are now directly available
from the helper.
- The SixLowPan model can now use uncompressed IPv6 headers. An option to
define the minimum compressed packet size has been added.
- Simplify output of Times in a specific unit; see Time::As ()
- Ipv6Extension::m_dropTrace has been removed. Ipv6L3Protocol::m_dropTrace
is now fired when appropriate.
- IPv4 identification field value is now dependent on the protocol field.
- Fixes to support Python >= 3.3 in ns3 Python bindings
- Enable selection of high precision int64x64_t implementation
at configure time, for debugging purposes.
Bugs fixed
----------
- Bug 1276 - optimize NistErrorRateModel
- Bug 1294 - New PeekU8 () and Read (Buffer::Iterator start, uint32_t size) methods in Buffer::Iterator
- Bug 1443 - MinDistance replaced by MinLoss in FriisPropagationLossModel, to
better handle conditions outside of the assumed far field region.
- Bug 1653 - Extension of CommandLine interface: restored operator << (CommandLine)
- Bug 1717 - Detect unsettable attributes
- Bug 1730 - no model library documentation for spectrum module
- Bug 1739 - The endpoint is not deallocated for UDP sockets
- Bug 1786 - os << int64x64_t prints un-normalized fractional values
- Bug 1787 - Runtime error when using AnimationInterface::EnablePacketMetadata() to fetch metadata of CSMA packet
- Bug 1792 - Parameter logger constructor
- Bug 1808 - FlowMon relies on IPv4's Identification field to trace packets
- Bug 1817 - IPv4 Identification field should consider protocol as well.
- Bug 1818 - FlowMonitor needs IPv6 support
- Bug 1820 - models library doc: make should not rm -rf figures
- Bug 1821 - Setting an interface to Down state will cause various asserts in IPv6
- Bug 1829 - Multiple TCP socket entries
- Bug 1837 - AODV crashes when using multiple interfaces
- Bug 1838 - FlowMonitorHelper must not be copied.
- Bug 1841 - FlowMonitor fails to install if IPv4 is not installed in the node
- Bug 1842 - FlowMonitor SerializeToXml<Something> should be called by the helper
- Bug 1843 - IPv6 extensions dropped packets do not fire L3 drop trace
- Bug 1845 - FlowMonitor should discard any broadcast/multicast packet
- Bug 1846 - IPv6 should send Destination Unreachable if no route is available
- Bug 1850 - TCP NewReno loss behavior
- Bug 1852 - cairo-wideint-private.h error cannot find definitions for fixed-width integral types
- Bug 1853 - NS_LOG_FUNCTION broken on OSX 10.9
- Bug 1855 - SixLowPanNetDevice is not correctly indexed
- Bug 1857 - Detect location of installed boost libraries
- Bug 1862 - NS_LOG="Time=*|prefix_time" causes stack overflow
- Bug 1868 - Optimized builds are sensitive to -fstrict-overflow
- Bug 1870 - Remove unnecessary AsInt functions
- Bug 1872 - Inside RREQ processing, in case of IP duplication, packet dropped instead of being forwarded
- Bug 1873 - Energy source checked to be aggregated to the node
- Bug 1874 - Ipv4L3Protocol::ProcessFragment: addressCombination and idProto identifiers not properly computed
- Bug 1876 - enable OLSR HNA table access
- Bug 1877 - constructors missing for PropagationLossModels
- Bug 1882 - int64x64 tests trigger valgrind bug
- Bug 1883 - IPv6 don't consider the prefix and network when choosing output address
- Bug 1885 - WifiSpectrumValue5MhzFactory::CreateRfFilter does not align with the used 5Mhz SpectrumModel
- Bug 1887 - Point-to-point traces should contain PPP headers
- Bug 1888 - COST231 propagation loss model: corrections
- Bug 1889 - PointToPointNetDevice: In some cases MacTxDrop trace is not called
- Bug 1890 - UdpClientTrace: MPEG frame size is squeezed into (insufficient) 16 bit integer
- Bug 1891 - UdpSocketImpl::GetSockName doesn't return the IPv6 address
- Bug 1894 - CqaFfMacScheduler needs an update
- Bug 1895 - IP header Source Address changed while forwarding RREQ
- Bug 1900 - Avoid floating point differences across platforms in test outputs
- Bug 1903 - Namespace usage in olsr-state.cc/h
- Bug 1907 - Add IsSupportedMcs method in YansWifiPhy
- Bug 1912 - Avoid multiple Wifi MacTxMiddle instances
- Bug 1913 - Avoid crash in Wifi BlockAckManager::GetNextPacket()
- Bug 1915 - BRITE channel delay is rounded to an integer
- Bug 1916 - RandomWalk2dMobilityMode default "Bounds" attribute is not a rectangle
- Bug 1919 - Strip trailing semi-colons from mobility trace files
- Bug 1920 - Remove DSR attributes so file can be re-loaded by config-store
- Bug 1922 - WAVE GetSsid should not be fatal
- Bug 1923 - Setting Active Probing to false in Wifi Sta has no effect
- Bug 1924 - sensing radius and CCA
Known issues
------------
- Bug 1770 - The mesh module will crash if used for g++ version >= 4.8.1
in optimized mode, on a 32-bit Linux machine. Lowering the optimization
level to -O1 in this case can be used as a workaround.
Release 3.19
=============
Availability
------------
This release is available from:
http://www.nsnam.org/release/ns-allinone-3.19.tar.bz2
Supported platforms
-------------------
These platforms have been tested; others may work also:
- Fedora Core 20 (32 bit) with g++-4.8.2
- Fedora Core 19 (32/64 bit) with g++-4.8.1
- Ubuntu 13.10 (64 bit) with g++-4.8.1
- Ubuntu 12.04.3 (32/64 bit) with g++-4.6.3
- Ubuntu 10.04.4 LTS (64 bit) with g++-4.4.3
- OS X Mavericks 10.9 with Xcode 5.0.1 and clang-500.2.79
- OS X Mountain Lion 10.8.5 with Xcode 5 and g++-4.2.1
- FreeBSD 9.2-RELEASE (64 bit) with clang-3.3
New user-visible features
-------------------------
- Extension to UE measurements and improved handover algorithm models in LTE
module, as the outcome of GSoC 2013 project. The project also includes several
sub-features, such as:
- implementation of System Information Block Type 1 (SIB1);
- a new option for automatic UE attachment using Idle mode cell selection
procedure;
- improved configurability of UE measurements; and
- two options of handover algorithms for enabling automatic handover trigger
in LTE simulation: A2-A4-RSRQ and strongest cell (A3-RSRP).
- A new FixedRoomPositionAllocator has been added to the buildings
module. It allows one to generate a random position uniformly
distributed in the volume of a chosen room inside a chosen building.
- A new attribute ns3::LteRlcAm::TxOpportunityForRetxAlwaysBigEnough
allows to overcome the lack for re-segmentation in the RLC AM
implementation by assuming that the size of a TxOpportunity is
always big enough for the RLC AM PDU to be retransmitted.
- After some profiling, the code of LteMiErrorModel has been optimized
for speed, resulting in a significantly lower execution time of the
LTE model when used with the error model enabled.
- A new WiFi extension for vehicular simulation support is available in
the src/wave directory. The current code represents an interim capability
to realize an IEEE 802.11p-compliant device, but without the WAVE
extensions (which are planned for a later patch). The WaveNetDevice
modelled herein enforces that a WAVE-compliant physical layer (at 5.9 GHz)
is selected, and does not require any association between devices (similar
to an adhoc WiFi MAC), but is otherwise similar (at this time) to a
WifiNetDevice. WAVE capabililties of switching between control and
service channels, or using multiple radios, are not yet modelled.
- A new IPv6 over Low power Wireless Personal Area Networks (6LoWPAN) model
is available. Using ns-3's naming convention, the acronym is expanded
to SixLowPanNetDevice. The SixLowPanNetDevice is able to act as a
shim between IPv6 and a NetDevice, compressing IPv6 headers according
to RFCs 4944 and 6262. The SixLowPanNetDevice is meant to be used over
IEEE 802.15.4 NetDevices, but it can be used on other NetDevices as
well (see the manual for full details). This model precedes the
general availability of an 802.15.4 model, so must be run in conjunction
with a wired NetDevice model for now, or with experimental versions of
802.15.4 models.
- It is now possible to use Ipv6PacketInfoTag from UDP applications in the
same way as with Ipv4PacketInfoTag. See Doxygen for current limitations in
using Ipv[4,6]PacketInfoTag to set IP properties.
- Ipv[4,6]Interfaces not respecting the minimum MTU requirements (68 octects
for IPv4 and 1280 octects for IPv6) will be automatically set as Down.
- IPv6 addresses and routing tables are printed in a more conventional way,
closely matching the Linux "route -A inet6" command.
- Additional time units (Year, Day, Hour, Minute) were added to the time
value class that represents simulation time; the largest unit prior to
this addition was Second.
- A new parallel scheduling algorithm based on null messages, a common
parallel DES scheduling algorithm, has been added. The null message
scheduler has better scaling properties when running on some scenarios
with large numbers of nodes since it does not require a global
communication.
Bugs fixed
----------
- Bug 1496 - Option to print log level in NS_LOG messages, and documentation.
- Bug 1592 - Parsing bug in FlowMonitor example script
- Bug 1756 - RLC AM Mode State Variable Bug
- Bug 1763 - Message 3 should be sent using the UL GRANT in the RAR
- Bug 1778 - Implement TapBridge::IsLinkUp() function
- Bug 1777 - Implement the more direct way of "using" configuration of existing tap interface
- Bug 1776 - Improve CRC performance for CsmaNetDevice in emulation modes
- Bug 1788 - unused private field warning
- Bug 1789 - missing test condition for sigma in buildings-shadowing-test
- Bug 1796 - Ipv6PacketInfoTag is not filled by UdpSocketImpl::ForwardUp6
- Bug 1798 - Changing the rate of onOffApplication might stop transmission
- Bug 1802 - FlowMon header deserialization problem with IPv4 fragments
- Bug 1803 - Lookup /NodeList/4/DeviceList/0/LteEnbRrc/UeMap/0 got no matches
- Bug 1807 - Multiple bugs in Ipv4L3Protocol::LocalDeliver
- Bug 1810 - IP packets can be sent on NetDevices not respecting the minimum MTU requirements
- Bug 1814 - IPv6 Packet with length not multiple of 8 bytes are fragmented incorrectly.
- Bug 1815 - Python bindings compilation with clang compiler toolchain
- Bug 1816 - IPv4 fragmentation loses Packet tags
- Bug 1877 - constructor missing for <something>PropagationLossModels
Release 3.18.2
==============
ns-allinone-3.18.2 was released to include a bake configuration file update
for Direct Code Execution. The ns-3 code in this release was unchanged
from that of ns-3.18.1.
Release 3.18.1
==============
This release is mainly to provide updated compiler support (clang/LLVM)
and fix the Python API scanning facility. A few additional bug fixes
and new features are described below.
Availability
------------
This release is available from:
http://www.nsnam.org/release/ns-allinone-3.18.1.tar.bz2
Supported platforms
-------------------
These platforms have been tested; others may work also:
- Fedora Core 19 (32/64 bit) with g++-4.8.1
- Ubuntu 13.10 (64 bit) with g++-4.8.1
- Ubuntu 12.04.3 (32/64 bit) with g++-4.6.3
- Ubuntu 10.04.4 LTS (64 bit) with g++-4.4.3
- OS X Mavericks 10.9 with Xcode 5.0.1 and clang-500.2.79
- OS X Mountain Lion 10.8.5 with Xcode 5 and g++-4.2.1
- FreeBSD 9.2-RELEASE (64 bit) with clang-3.3
New user-visible features
-------------------------
- It is now possible to randomize the time of the first beacon from an
access point. Use an attribute "EnableBeaconJitter" to enable/disable
this feature.
- A new FixedRoomPositionAllocator helper class is available; it
allows one to generate a random position uniformly distributed in the
volume of a chosen room inside a chosen building.
- Logging wildcards: allow "***" as synonym for "*=**" to turn on all logging.
- The log component list ("NS_LOG=print-list") is now printed alphabetically.
Bugs fixed
----------
- Bug 1779 - NS_UNUSED_GLOBAL not working in attribute test class declaration
- Bug 1766 - Fixes to wifi-hidden-terminal.cc example
- Bug 1722 - Avoid transmitting beacons concurrently
- Bug 1691 - RTS/CTS NAV reset prematurely
- Bug 1622 - Avoid waf hanging during apiscan
- Bug 1616 - WifiPhyStateHelper reports false CCA_BUSY times at State trace source
- Bug 1552 - Storing log name inside LogComponent class (NS_LOG) as std::string
- Bug 1011 - assert failed. file=../src/devices/wifi/dcf-manager.cc
- bug 945 - remove deprecated IEEE 802.11p code from wifi module
- Fix aliasing bug in optimized static builds
- Fix memory leak due to circular reference in MPI module
- Make wifi tests more robust to random variable perturbations
- Fix Time class doxygen
- Fix compilation with Clang 3.2 and newer versions, including Apple Xcode 5
- Miscellaneous NetAnim fixes
Release 3.18
=============
Availability
------------
This release is available from:
http://www.nsnam.org/release/ns-allinone-3.18.tar.bz2
Supported platforms
-------------------
These platforms have been tested; others may work also:
- Fedora Core 18 (32/64 bit) with g++-4.7.2
- Fedora Core 17 (32/64 bit) with g++-4.7.0
- Ubuntu 13.04 (32/64 bit) with g++-4.7.3
- Ubuntu 12.04 (32/64 bit) with g++-4.6.3
- Ubuntu 10.04.4 LTS (64 bit) with g++-4.4.3
- OS X Mountain Lion 10.8.3 with g++-4.2.1
- FreeBSD 9.1-RELEASE (64 bit) with g++-4.2.1
New user-visible features
-------------------------
- Time attributes can now be bounded. See attribute-test-suite.cc for an
example.
- Data collection components have been added to the stats module. These
components can be used to generate time series data in files and plots.
- IPv6 address class 2001:db8::/32 is now dropped by routers (RFC 3849).
- New generic hash function interface. Two hash functions are provided:
murmur3 (default), and the venerable FNV1a. See the Hash Functions
section in the Manual.
- New Mac16Address has been added, Mac64Address is now in-line with
Mac48Address and all the three can be used in IPv6 autoconfigure.
- Previously, the use of Building models was limited to the use of the
companion BuildingsMobilityModel. Now, any MobilityModel can be
used with Building models.
- The latest LTE module code by the LENA project has been merged,
including the following new features:
- PHY support for UE measurements (RSRP and RSRQ)
- RRC support for UE measurements (configuration, execution, reporting)
- Automatic Handover trigger based on RRC UE measurement reports
- IPv6 can now detect and use Path-MTU. See
examples/ipv6/fragmentation-ipv6-two-MTU.cc for an example.
- Radvd application have a new Helper. See the updated
examples/ipv6/radvd.cc for an example.
- 11n- It is now possible to create a high throughput (HT) node that used the new 11n data rates and preambles.
- It is now possible to request printing command line arguments to the
desired output stream using PrintHelp or operator <<
Bugs fixed
----------
- Bug 760 - IP address removal can be painful
- Bug 1190 - Suppress hello if bcast was sent within the last hello interval
- Bug 1296 - Enhancement in Ipv[4,6]RoutingHelper
- Bug 1390 - ICMPv6 Redirect are handled correctly only for /64 networks
- Bug 1522 - Hidden node scenario leads to ARP failure
- Bug 1584 - Old Association Request Timeouts are not canceled
- Bug 1629 - Make AODV Default to Disable Hello
- Bug 1643 - NdiscCache creation and existence checks
- Bug 1646 - ICMPv6 Redirect are sent from global address instead of link-local
- Bug 1662 - m_type not set for Ipv6OptionRouterAlertHeader
- Bug 1678 - C++11 compliance problem with std::pair"
- Bug 1682 - ./waf crashes on FC10
- Bug 1683 - IPv6 autoconfigured don't use *infinite* lifetimes
- Bug 1669 - ns-3 should support binding two and three (possibly more) arguments
- Bug 1675 - Throughput computation error in Wireless examples
- Bug 1687 - wscript features report doesn't respect NOCOLOR
- Bug 1688 - Routers should advertise themselves from the link-local address
- Bug 1689 - IPv6 shouldn't add a default gateway without checking the Router lifetime
- Bug 1690 - missing header files from wifi wscript
- Bug 1697 - ICMPv6 Redirect trigger contains multiple bugs
- Bug 1698 - mobility.SetPositionAllocator misses prefix "ns3::"
- Bug 1700 - Ipv6RawSocket does not honor the bound address when sending packets
- Bug 1701 - Ipv6StaticRouting: the source address should match the destination scope
- Bug 1702 - Ipv6InterfaceContainer::SetRouter should not always add the router as the default router.
- Bug 1703 - Nodes don't react to a DAD
- Bug 1712 - The IP (v4 and v6) forwarding needs a test
- Bug 1718 - Ipv4StaticRouting log component is misspelled
- Bug 1720 - IPv6 Fragmentation cause crashes
- Bug 1721 - Path MTU isn't handled properly
- Bug 1723 - name clash in ipv4-header.h with <termios.h>
- Bug 1727 - Ping6 should use a proper source address
- Bug 1728 - Radvd application is missing an Helper
- Bug 1731 - lte-phy-error-model passes unexpectedly
- Bug 1738 - strict aliasing compiler bug
- Bug 1742 - IPv6 HbH and Dst Extension Header size is not correctly calculated
- Bug 1752 - RadvdInterface m_defaultLifeTime is set to milliseconds instead of seconds
- Bug 1753 - Halting Issue with DistributedSimulatorImpl
- Bug 1754 - Missing GIL lock in generated callback destructor
Known issues
------------
In general, known issues are tracked on the project tracker available
at http://www.nsnam.org/bugzilla/
Release 3.17
============
Availability
------------
This release is available from:
http://www.nsnam.org/release/ns-allinone-3.17.tar.bz2
Supported platforms
-------------------
These platforms have been tested; others may work also:
- Fedora Core 18 (32/64 bit) with g++-4.7.2
- Fedora Core 17 (32/64 bit) with g++-4.7.0
- Ubuntu 13.04 (32/64 bit) with g++-4.7.3
- Ubuntu 12.10 (32/64 bit) with g++-4.6.3
- Ubuntu 12.04 (32/64 bit) with g++-4.6.3
- Ubuntu 10.04.4 LTS (64 bit) with g++-4.4.3
- OS X Mountain Lion 10.8.3 with g++-4.2.1
- FreeBSD 9.1-RELEASE (64 bit) with g++-4.2.1
New user-visible features
-------------------------
- new TCP Westwood and Westwood+ models
- new FdNetDevice model and associated helpers. The FdNetDevice is able
to read and write from a file descriptor. Various helpers are provided
to associate this descriptor with underlying devices or sockets on the
host operating system, including a packet socket for emulation, and
tap devices including a version specialized for use on PlanetLab.
- ns-3-click: it's now possible to (i) have Click pull random numbers from
ns-3 and (ii) have ns-3 set "defines" in Click via the simulation file
(see src/click/examples/nsclick-defines.cc).
- Waf shipped with ns-3 has been upgraded to version 1.7.10 and custom
pkg-config generator has been replaced by Waf's builtin tool.
- create-module.py script has been updated to work with waf 1.7 and support
for creating modules with names containing dashes has been added.
- the M5 release of the LTE module by the LENA project has been
merged; please see src/lte/RELEASE_NOTES for more detailed info
Bugs fixed
----------
- bug 1256 - Unnecessary SND.NXT advance, missing ACK for Out of Order segments
- bug 1318 - Ipv6L3Protocol::LocalDeliver can get stuck in an infinte loop
- bug 1409 - Add an attribute "SystemId" to configure the ID for MPI
- bug 1421 - Frequency dependent propagation loss models need uniform Frequency / Lambda attribute
- bug 1434 - DSR throughput not comparable to other protocols for manet example
- bug 1502 - Shutdown on tcp socket seems to misbehave
- bug 1503 - BlockAckManager infine loop
- bug 1517 - Waf clean/distclean doesn't remove the doc/html directory
- bug 1540 - Waf not finding click libraries
- bug 1549 - Test for NS_LOG
- bug 1556 - Uses of htonl making OpenFlow's match field error
- bug 1563 - Reduce valgrind test scope
- bug 1564 - Packet meta data isn't shown in dumbbell-animation.xml
- bug 1566 - WiFi SNR tag improvements
- bug 1568 - Deserialized addresses are implicity marked as Mac48Address
- bug 1569 - droptail_vs_red example doesn't run
- bug 1570 - Valgrind errors in new test examples
- bug 1574 - Node color overwritten, by mobility updates in netanim
- bug 1575 - Invert the y-axis in netanim
- bug 1576 - Frequency units HERTZ and MEGAHERTZ mix up
- bug 1577 - Typo in ascii picture in example aodv script
- bug 1579 - edca-txop-n fragmentation causes segfault
- bug 1582 - IPv6 raw socket return value is not like Linux socket
- bug 1585 - Length field of A-MSDU subframe header endianness
- bug 1586 - Building documentation fails if make runs in parallel
- bug 1588 - UdpEchoServer::HandleRead logs fail when using Ipv6
- bug 1589 - Bake - support pre-2.7 version of python
- bug 1590 - Bake - more autotools version support
- bug 1595 - Function declarations without implementations cause problems with dsr module's python bindings
- bug 1596 - Inet TopologyReader is skipping one link and duplicating another one
- bug 1600 - Icmpv6OptionLinkLayerAddress can only carry 48 bit addresses correctly
- bug 1601 - RttEstimator doesn't set the m_currentEstimatedRtt to m_initialEstimatedRtt on creation
- bug 1602 - waf build can break due to file collisions in higher-level directory
- bug 1603 - random-variable-stream-helper - this unavalable for static member functions
- bug 1607 - OnOffApplication over TCP with IPv6 support
- bug 1608 - DSR Network ACK is not handled correctly
- bug 1609 - Route Request table is needed
- bug 1612 - pyviz (visualizer) will not be installed
- bug 1613 - Can't build ns-3-dev with g++ 4.7.2
- bug 1615 - Adjusting OLSR HelloInterval Attribute results in no links
- bug 1618 - bake.py not detecting install of libxml2-dev on ubuntu
- bug 1623 - pybindgen rev809 is not able to build after Ubuntu 1210
- bug 1625 - ns-3-dev fails to build on Debian wheezy amd64
- bug 1626 - ipv6-only network can't use UDP or TCP
- bug 1632 - Prepend bake build directory to the guessed locations
that waf will look to find libraries
- bug 1633 - Bake - should not report that it is downloading qt4 when it is already installed
- bug 1635 - Small bug without Simulator::Destroy()
- bug 1636 - Compilation error flagged as unmet dependency
- bug 1637 - Bake calling apt-get for unpriviledged user
- bug 1639 - bake.py support for linux mint
- bug 1640 - bake needs to test for g++
- bug 1641 - bake reports autotools dependency, but needs automake
- bug 1661 - Variable ub1 defined but not used in ipv6-address.cc
Known issues
------------
In general, known issues are tracked on the project tracker available
at http://www.nsnam.org/bugzilla/
Release 3.16
============
Availability
------------
This release is available from:
http://www.nsnam.org/release/ns-allinone-3.16.tar.bz2
Supported platforms
-------------------
- Fedora Core 17 (32/64 bit) with g++-4.7.0
- Fedora Core 15 (64 bit) with g++-4.6.3
- Ubuntu 12.10 (32/64 bit) with g++-4.6.3
- Ubuntu 12.04 (32/64 bit) with g++-4.6.3
- Ubuntu 10.04.4 LTS (64 bit) with g++-4.4.3
- OS X Mountain Lion 10.8.3 with g++-4.2.1
- FreeBSD 8.2 (32 bit) with g++-4.2.1
- Cygwin 1.7.9-1 with g++-4.5.3
New user-visible features
-------------------------
- Support several new LTE MAC schedulers developed in GSoC 2012 project.
Those schedulers include FD-MT, TD-MT, TTA, FD-BET, TD-BET, FD-TBFQ,
TD-TBFQ, PSS. Here, FD and TD mean frequency domain and time domain
respectively.
- It's now possible to use distcc when building ns-3 by using
$ CXX='distcc g++' ./waf configure
$ ./waf build
- Support topology generation with the (external) BRITE topology generation
tool
Bugs fixed
----------
- bug 555 - DCF immediate access
- bug 976 - wifi-wired-bridging regression test fails because of
rounding errors in mobility model
- bug 1055: Wrong UAN's Thorp absorption loss model formula
- bug 1284 - ./test.py performance tests do not exist
- bug 1324 - ns3tcp-cwnd-test-suite.cc test failing
- bug 1340 - ns3tcp-loss-suite.cc tests failing
- bug 1342 - ns3tcp-cwnd-test-suite.cc tests failing
- bug 1345 - ns-3 builds with clang compiler >= 3.0
- bug 1359 - TCP cannot receive ICMP
- bug 1361 - Set TOS from Application level (sockets)
- bug 1463 - ./test.py --example should automatically detect the path
- bug 1479 - When the Ipv4RawSocket "IpHeaderInclude" Attribute set true,
Ip Checksum error
- bug 1485 - Setting global properties in config file (raw text) does
not have any effect
- bug 1493 - test.py --list should show the test type default tip
- bug 1493 - test.py --list should show the test type
- bug 1494 - test.py --constrain doesn't work
- bug 1495 - test.py claims test passed when no test was run
- bug 1506: TCP data segment piggybacking acknowledgment
- bug 1509 - RttEstimator returns invalid value in presence of errors
- bug 1516 - GtkConfigStore does not show read-only attributes
- bug 1520 - Config paths not fully documented (partial fix)
- bug 1524 - Fragmentation Threshold equals to Packet Size at MAC Layer
(Data + IP + UDP) crash the reception
- bug 1525 - Linker error with mpi on Mac 10.8
- bug 1526: Wrong calculation of pathloss within
UanPropModelThorp::GetPathLossDb
- bug 1527 - Ipv4RawSocket's BindToNetDevice not working
- bug 1528 - BindToNetDevice not working for IPv6 sockets
- bug 1531 - Crash when using NS_LOG in destructors of static objects
- bug 1532 - unimplemented LTE Scheduler methods
Known issues
------------
In general, known issues are tracked on the project tracker available
at http://www.nsnam.org/bugzilla/
Release 3.15
============
Availability
------------
This release is available from:
http://www.nsnam.org/release/ns-allinone-3.15.tar.bz2
Supported platforms
-------------------
- Fedora Core 17 (32/64 bit) with g++-4.7.0
- Fedora Core 15 (64 bit) with g++-4.6.3
- Ubuntu 12.04 (32/64 bit) with g++-4.6.3
- Ubuntu 10.04.4 LTS (64 bit) with g++-4.4.3
- OS X Mountain Lion 10.7.4 with g++-4.2.1
- OS X Snow Leopard 10.6.8 with g++-4.2.1
- FreeBSD 8.2 (32 bit) with g++-4.2.1
- Cygwin 1.7.9-1 with g++-4.5.3
New user-visible features
-------------------------
- A new random variable base class called 'RandomVariableStream', has been
introduced. This base class derives from ns3::Object, unlike the current
'RandomVariable' class which is a special type of object in the ns-3
system to date. By making this class derive from ns3::Object, it can be
handled with the Ptr class, can carry attributes, and can have its parameters
and initial state saved in the config-store subsystem. A new attribute
called "Stream" has been introduced for this class, to allow users to
better control the assignment of underlying pseudo-random sequences to
the RandomVariableStream objects (bug 101).
Bugs fixed
----------
- bug 101 - random variable initialization
- bug 1256 - Unnecessary SND.NXT advance, missing ACK for Out of Order segments
- bug 1308 - Nix-vector; do not process packets to self
- bug 1386 - assert if PositionAllocator not provided to
RandomWaypointMobilityModel
- bug 1399 - TCP not backing off retransmissions properly
- bug 1441 - IPv4 header length handling
- bug 1464 - ConfigStore Save + Load => Could not set default value
for ns3::UdpSocketImpl::IcmpCallback
- bug 1470 - define default parameter for constructor in .h file
- bug 1473 - GetQueue/SetQueue missing from Csma python bindings
- bug 1475 - "test.py --list" should sort the output
- bug 1476 - TestCase::GetName () should not be private
- bug 1477 - Click doesn't work with raw sockets
- bug 1481 - Openflow example doesn't run
- bug 1486 - Segfaults in nix-vector-routing with bridges
- bug 1489 - Jakes Log component is missing
- fixed bug with multiple LCs in UL BSR
- fixed bug with lena-dual-stripe crashes with --homeUesHomeEnbRatio=2
Known issues
------------
In general, known issues are tracked on the project tracker available
at http://www.nsnam.org/bugzilla/
Release 3.14.1
==============
Availability
------------
This release is available from:
http://www.nsnam.org/release/ns-allinone-3.14.1.tar.bz2
Bugs fixed
----------
This hotfix release contains a fix for the PyViz visualizer and makes it
easier to add PyViz support to examples; otherwise it is the same as the
ns-3.14 release.
Release 3.14
============
Availability
------------
This release is available from:
http://www.nsnam.org/release/ns-allinone-3.14.tar.bz2
Supported platforms
-------------------
ns-3.14 has been tested on the following platforms. Not all features are
available on all platforms; check the Installation page on the project wiki.
- Fedora Core 17 (32/64 bit) with g++-4.7.0
- Fedora Core 16 (32/64 bit) with g++-4.6.3
- Fedora Core 15 (64 bit) with g++-4.6.3
- Ubuntu 12.04 (32/64 bit) with g++-4.6.3
- Ubuntu 11.10 (32 bit) with g++-4.6.1
- Ubuntu 10.04.4 LTS (64 bit) with g++-4.4.3
- OS X Lion 10.7.4 with g++-4.2.1
- OS X Snow Leopard 10.6.8 with g++-4.2.1
- FreeBSD 8.2 (32 bit) with g++-4.2.1
- Cygwin 1.7.9-1 with g++-4.5.3
New user-visible features
-------------------------
- Transport protocol implementations (TCP, UDP) have been refactored to
support also IPv6 connections. Dual-stacked IPv6 sockets are implemented.
An IPv6 socket can accept an IPv4 connection, returning the sender's
address as an IPv4-mapped address (IPV6_V6ONLY socket option is not
implemented).
- The LTE code from the LENA project has been merged, bringing in a
significant redesign of the LTE module as well as many new features.
- An antenna module is now included, which includes different
radiation pattern models. See the corresponding new section of the
ns-3 models library documentation for details.
- A new buildings module is introduced which allows to model the
presence of buildings in a wireless network topology.
- New propagation models (OkumuraHata, ITU-R P.1411, ITU-R P.1238)
have been added
- The Dynamic Source Routing (DSR) MANET routing protocol for IPv4 was added.
- A Random Early Detection (RED) queue model has been added.
- Ipv6RoutingHelper is now in-line with Ipv4RoutingHelper concerning the RT
print functions. Various minor changes were made in Ipv6RoutingProtocol and
derived classes to make this possible.
- New "SendIcmpv6Redirect" attribute (and getter/setter functions) to
Ipv6L3Protocol. The behavior is similar to Linux's conf "send_redirects",
i.e., enable/disable the ICMPv6 Redirect sending.
- Longer and more descriptive names are used for error units in RateErrorModel
class and queue mode in Queue class. Attributes in those classes are also
changed for consistency. See API documentation for details.
- The netanim animator is now bundled with the release.
Bugs fixed
----------
- bug 603 - Simulator::Next is useless
- bug 631 - RealtimeSimulatorImpl does not handle Ctrl-C with python bindings
- bug 962 - list of paths to reach objects contains bogus entries
- bug 1000 - Make RealtimeSimulatorImpl last until stop
- bug 1053 - Need better error diagnostics in ns2-mobility-trace example
- bug 1109 - Point out the effects of ArpCache::PendingQueueSize
- bug 1179 - Add LTE trace hooks for supporting visualizer
- bug 1180 - LTE: Add TX/RX trace support
- bug 1273 - Better error message on missing Python development files
- bug 1282 - Sleep state and CCA
- bug 1283 - PacketSocket::SendTo should return number of bytes
- bug 1302 - Flow monitor bug
- bug 1304 - Tag information changed after transmission
- bug 1313 - Stddev (average.h) returning NaN
- bug 1318 - Asserts for IPv6 malformed packets
- bug 1319 - Fix Ipv6RawSocketImpl Icmpv6 filter
- bug 1325 - Python examples get valgrind errors when build subdirectories
are specified in waf
- bug 1339 - test.py uses the old name for the test runner
- bug 1348 - python bindings: deprecated conversion from string constant
to ‘char*’
- bug 1349 - TypeId.LookupAttributeByName Python bindings missing
- bug 1350 - Simulator.ScheduleWithContext Python binding missing
- bug 1351 and 1333 - TCP not able to take RTT samples on long delay network
- bug 1352 - Fixed MapAttributes, previously was mapped to a vector in
ObjectPtrContainer and (and key information was dropped).
Now the container is a map.
- bug 1354 - Building scratch subdir programs is broken
- bug 1355 - Visualizer dependencies not detected at buildtime
- bug 1357 - IPv6 fragmentation fails due to checks about malformed extensions
- bug 1362 - ICMPv6 does not forward ICMPs to upper layers (and minor
fixes to ICMPv6)
- bug 1376 - wrong wind variable's name
- bug 1378 - UdpEchoClient::SetFill () does not set packet size correctly
- bug 1379 - lte-multiple-flows example crashes
- bug 1380 - lte-phy-uplink example crashes
- bug 1391 - .ns3rc does not allow comments as expected
- bug 1392 - Modules built report does not clarify C++ or Python
- bug 1393 - IPv6 Routing Helper RT Print functions
- bug 1395 - AODV DeferredRouteOutputTag missing constructor
- bug 1396 - ARP with hardware addresses longer than 6 bytes
- bug 1399 - TCP not backing off retransmissions properly
- bug 1404 - Bound user input in tutorial third.cc program
- bug 1406 - waf exits with maximum recursion depth exceeded
- bug 1415 - examples-to-run.py doesn't work with command line arguments
- bug 1420 - no python bindings for csma-layout
- bug 1441 - IPv4 header length handling
Known issues
------------
In general, known issues are tracked on the project tracker available
at http://www.nsnam.org/bugzilla/
Release 3.13
==============
Availability
------------
This release is available from:
http://www.nsnam.org/release/ns-allinone-3.13.tar.bz2
Supported platforms
-------------------
ns-3.13 has been tested on the following platforms. Not all features are
available on all platforms; check the Installation page on the project wiki.
- Ubuntu 11.10 (32 bit) with g++-4.5.2
- Ubuntu 11.04 (32/64 bit) with g++-4.5.2
- Ubuntu 10.04.3 LTS (64 bit) with g++-4.4.3, g++-3.4.6
- OS X Lion with g++-4.2.1
- OS X Snow Leopard with g++-4.2.1
- Fedora Core 16 (32/64 bit) with g++-4.6.2
-- however, g++-3.4.6 fails on Fedora 16 i686
- Fedora Core 14 (64 bit) with g++-4.5.1
- FreeBSD 9.0-RC1 (AMD64) with g++-4.2.1
New user-visible features
-------------------------
- IPv6 address generator with support for duplicate address detection
Bugs fixed
----------
- bug 962 - list of paths to reach objects contains bogus entries
- bug 1001 - Buffer::CopyData() doesn't return the number of bytes copied
- bug 1010 - Uan model sleep patch
- bug 1020 - Wrong usage of the originator sequence number in HWMP PREP
- bug 1021 - Beacon collision avoidance in Mesh module works incorrectly
- bug 1039 - Nagle's algorithm in TCP
- bug 1055 - Wrong UAN's Thorp absorption loss model formula
- bug 1059 - Unable to load trace files created from SUMO and TraNS Lite
- bug 1112 - Advance m_nextTxSequence upon retransmit after RTO
- bug 1137 - mpi module is hard-coded for openmpi
- bug 1166 - IPV4 TCP failed to send a RST when connect arrives before listen
- bug 1186 - Ipv4Header lacks DSCP and ECN
- bug 1204 - Can't Parse Time +100000000.0ns
- bug 1219 - Coding style of ns2-mobility-helper-test-suite.cc is fixed
- bug 1257 - waf install __init__ Python files even with --disable-python
- bug 1263 - waf configure fails on FreeBSD 9.0-BETA2 amd64
- bug 1266 - gdb cannot be loaded
- bug 1227 - Spurious RTO due to low min RTO
- bug 1229 - Multiplication overflow in WaypointMobilityModel::EndMobility
- bug 1242 - m_lastRtt in tcp-socket-base.cc not implemented
- bug 1256 - TCP unnecessary snd.nxt advance
- bug 1265 - Make ns-3 directory "movable"
- bug 1269 - sqlite3 not found on FreeBSD
- bug 1270 - "Checking boost includes" weirdness
- bug 1278 - Ipv4ClickRouting::HandleScheduleFromClick bug
- bug 1281 - Checksum not calculated when doing IP fragmentation
- bug 1285 - IPv6 Localhost is marked as GLOBAL instead of HOST
- bug 1290 - buffer-test.cc gets a valgrind error
- bug 1295 - Missing const qualifiers in TopologyRead
- bug 1299 - EnableAsciiIpv4All tracing doesn't show transmitted/recvd packets
- bug 1300 - HalfDuplexIdealPhy notify SpectrumInterference of AbortRx
- bug 1301 - Ns2MobilityHelper causes Node GetPosition() to return NaN
- bug 1305 - do not list modules built upon exiting waf shell
- bug 1312: TopologyRead Assert condition fix
- IPv4 packets double fragmentation was broken
- Fix wifi-clear-channel-cmu.cc example
- NetAnim: fix for bcast packet reuse
- Missing PropagationLossModel.CalcRxPower in Python bindings
- Corrected compilation behavior in Ubuntu 11.10 due to ldd behavior change
- Added required PTHREAD dependency to RT library check.
Known issues
------------