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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 3.16
============
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
------------
In general, known issues are tracked on the project tracker available
at http://www.nsnam.org/bugzilla/
Release 3.12.1
==============
Availability
------------
This release is available from:
http://www.nsnam.org/release/ns-allinone-3.12.1.tar.bz2
Bugs fixed
----------
This release fixes PyViz visualizer's python bindings; otherwise, it
is the same as the ns-3.12 release.
Release 3.12
===========
Availability
------------
This release is available from:
http://www.nsnam.org/release/ns-allinone-3.12.tar.bz2
Supported platforms
-------------------
ns-3.12 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 15 (32/64 bit) with g++-4.6.0
- Ubuntu 11.04 (32/64 bit) with g++-4.5.2
- OS X Lion with g++-4.2.1
- Fedora Core 14 (64 bit) with g++-4.3.4, g++-4.5.3, g++-4.4.6
- Fedora Core 12 (64 bit) with g++-4.4.4
- OS X Snow Leopard with g++-4.2.1
- Ubuntu 10.04.3 LTS (64 bit) with g++-4.4.3, g++-3.4.6
New user-visible features
-------------------------
- SpectrumChannel models now support the usage of single-frequency
propagation loss models based on the PropagationLossModel
class. These model can be used in conjunction with
the frequency-dependent propagation loss model based on the
SpectrumPropagationLossModel class already supported by
SpectrumChannel.
- Extend the attribute system extend the attribute system to store map
container objects in addition to vector containers. The ObjectMap
and related classes are patterned after ObjectVector.
- Support for IPv4 fragmentation has been added.
- Significant performance improvement for AODV in dense mobile scenarios
due to a fixed bug in RERR processing.
- WiFi traces that were named promiscuous are now renamed monitor, and
a separate flag for setting the interface to promiscuous mode has been
introduced. This disambiguates monitor mode from promiscuous mode.
- Monolithic Python bindings have been removed
Bugs fixed
----------
- bug 845 - fix ConfigStore output for changing default values
- bug 1010 - Uan model Sleep patch
- bug 1033 - Mesh airtime-metric fixed
- bug 1043 - lte-spectrum-value-helper.cc file swapped uplink/downlink freq.
- bug 1050 - ISO C++ forbids variable length array; remove all instances
- bug 1057 - LTE bearers differentiation issue
- bug 1082 - Check that log component names are correct when taken from NS_LOG
- bug 1100 - IPv6 fragmentation enhancements
- bug 1102 - IPv4 header fragment offset field not set correctly
- bug 1123 - class MinMaxAvgTotalCalculator does not implement all methods
- bug 1134 - Fix LiIonEnergySource attribute spelling for InitialCellVoltage
- bug 1139 - Broadcast packets issue in uan cw mac
- bug 1141 - MeshWifiInterfaceMac adds supported modes to wrong remote station
- bug 1163 - Ipv4EndPointDemux::AllocateEphemeralPort forget to increment port
- bug 1164 - IPV4 TCP Bind already used port failed, but without setting errno
- bug 1168 - BridgeNetDevice: default expiration time not realistic
- bug 1174 - Ns-3 does not generate static libraries
- bug 1175 - shared libraries are not versioned
- bug 1193 - AODV Hello timers scheduling skewed when RREP, RREQ are processed
- bug 1194 - AODV Incorrect RERR processing
- bug 1201 - UDP sockets need to set connected state before notifying the ConnectionSucceeded callback
- bug 1208 - Spectrum module example causing valgrind errors
- bug 1209 - ns-3-click fails to build on Fedora 15 when tests are enabled
- bug 1220 - FdReader always stops with NS_FATAL_ERROR
- bug 1222 - Incomplete PointToPointNetDevice Python bindings
- bug 1224 - ns-3-allinone fails to compile on OS X Lion
- bug 1226 - Incomplete YansWifiChannel Python bindings
- bug 1234 - GetAttributeChecker is not defined anymore but still used
- bug 1239 - Add assertion that reference count never overflows
- bug 1244 - Seg Faults in optimized builds due to missing Logging components
- Fix ARP issue in nsclick-ip-router.click and static route in nsclick-routing-node2.click
Known issues
------------
In general, known issues are tracked on the project tracker available
at http://www.nsnam.org/bugzilla/
Release 3.11
===========
Availability
------------
This release is available from:
http://www.nsnam.org/release/ns-allinone-3.11.tar.bz2
Supported platforms
-------------------
ns-3.11 has been tested on the following platforms. Not all features are
available on all platforms; check the Installation page on the project wiki.
- Linux x86_64 Ubuntu 11.04
- g++-4.5.2
- Linux i686 Ubuntu 11.04
- g++-4.5.2, g++-4.4.5
- Linux x86_64 Fedora Core 15
- g++-4.6.0
- Linux x86_64 Fedora Core 14
- g++-4.5.3, g++-4.4.6, g++-4.3.4
- Linux x86_64 Fedora Core 10
- g++-3.4.6, 4.0.4, 4.1.2, 4.2.4, 4.3.2, 4.4.0
- OS X Snow Leopard
- g++-4.2.1
New user-visible features
-------------------------
- The build system has been modularized, and the source code reorganized,
to allow for modular libraries instead of a single monolithic ns-3
library. User programs now link a number of smaller, per-module
libraries depending on the dependencies expressed to the build system.
Source code is now being maintained in individual modules with
consistent directory structures.
- Python bindings have also been modularized, and the bindings are now
generated into a 'ns' namespace instead of 'ns3' for the old
(monolithic) bindings. By default the bindings are now modular, with
a backward compatibility layer for older programs.
- By default, example and test programs are disabled from the build.
Users can enable them via the use of a waf command at configure time,
or automatically through the use of a new .ns3rc file.
- int64x64_t is a new type which allows portable and easy to write arithmetic
calculations that require a high degree of fractional precision.
- An interface to the Click Modular Router and an Ipv4ClickRouting
class has been added, to allow a node to use Click for external routing.
- An interface to an OpenFlow software implementation distribution has
been added to allow the simulation of OpenFlow switches in ns-3.
- ns-3 coding style requirements have been applied to the entire coding
base, resulting in a large number of whitespace changes. The coding
style has been automatically enforced by running a style checking
program (utils/check-style.py) that uses the uncrustify (v. 0.58)
program to apply changes.
- Some documentation reorganization to split documentation between
the ns-3 manual (primarily focusing on the ns-3 core) and a new
"model library" document has been started.
Bugs fixed
----------
The following lists many of the bugs fixed or small feature additions
since ns-3.10, in many cases referencing the Bugzilla bug number.
- bugfix: CsmaNetDevice ErrorModel not discarding packet
- bugfix: do not call RouteOutput() twice
- Workaround gccxml bug scanning Seconds(0) as default value
- Copy a bug fix from ns3modulescan.py into ns3modulescan-modular.py
- Modular Python bindings work (many bug fixes, more modules tested)
- Modular bindings: bug fixes, more verbose scanning
- ./waf --apiscan: fix bug in detection of whether the per-module
- Remove the 'Modules to build' debug print
- CsmaNetDevice ReceiveErrorModel was not dropping the packet
- Several "set but not used" bugs for newer compilers quick-fixed
- bug 445 - Is the class name Scalar in nstime.h appropriate?
- bug 699 - TestCase::DoRun probably should not return a bool
- bug 823 - Need finer-grained control over what goes into libns3
- bug 957 - Issue with test.py
- bug 1017 - node --> internet-stack --> node
- bug 1018 - mobility --> helper --> mobility circular dependency
- bug 1019 - common --> node --> common circular dependency
- bug 1038 - Time::Get*Seconds () return signed integer while actually returning unsigned.
- bug 1040 - Olsr and multiple interfaces
- bug 1042 - AODV RERR implosion (missing RERR_RATELIMIT)
- bug 1044 - Seconds (1e-9) creates Time that is not IsPositive ()
- bug 1047 - Multicast routes on nodes with >16 interfaces
- bug 1048 - suggested MatrixPropagationLossModel::SetLoss() API change
- bug 1049 - Issues with OLSR HNA messages sent by multiple gateways
- bug 1052 - olsr::RoutingProtocol::LinkTupleUpdated incorrect detection of asymetric link with multiple interface nodes
- bug 1054 - ipv6 InternetStackHelper EnablePcapIpv6All() broken
- bug 1056 - CSMA: padding not handled correctly for LLC encapsulation
- bug 1058 - InternetStackHelper pitfall: calling Install before adding routing protocols
- bug 1060 - Setting NqStaWifiMac Active Probing true, crashes simulation
- bug 1061 - Title level inconsistent in click.rst
- bug 1062 - rescale-pdf not working
- bug 1064 - Correct Friis propagation loss equation in spectrum module
- bug 1066 - Set Radiotap modulation type flags correctly
- bug 1069 - ApWifiMac unduly calls RegularWifiMac::Receive and crashes
- bug 1070 - csma/ipv6 examples duplicate NS_LOG_COMPONENT_DEFINE
- bug 1072 - crash upon call to Packet::AddAtEnd of fragmented packets
- bug 1075 - Python examples fail when static built is enabled
- bug 1076 - Waf gives an error if you enable only a single module
- bug 1078 - PacketTagList::Add performs NS_ASSERT counting one byte too few
- bug 1079 - MPI code doesn't compile
- bug 1081 - wutils.py refers to the old directory for visualizer module
- bug 1083 - scratch doesn't work when only some modules are enabled
- bug 1085 - Build failed: list index out of range
- bug 1086 - sanity check for not calling Object::Dispose () twice
- bug 1087 - Call MPI_Finalize to exit MPI environment
- bug 1088 - Code in scratch directory assumes all modules are enabled
- bug 1089 - lwip build issue
- bug 1090 - WifiMacQueue is not accessible through the attribute path
- bug 1092 - Problem building FreeBSD stack with g++ 4.5.2 (Ubuntu)
- bug 1094 - Object::GetObject upon dlopen
- bug 1097 - AODV routing entry set to be VALID mistakenly.
- bug 1098 - when to show users which modules are enabled?
- bug 1101 - Sqlite stats disappeared from configuration file src/wscript
- bug 1103 - Useless assignment in omnet-data-output.cc
- bug 1105 - Move topology helpers into separate per-device modules
- bug 1106 - Remove "CanvasLocation" dependencies in p2p helpers
- bug 1108 - test.py -e option needs repair
- bug 1110 - Sort alphabetically and display "Modules built" in columns
- bug 1117 - bindings failures on selected platforms
- bug 1122 - spectrum-value test should check tolerance on a per-value basis
- bug 1125 - ./waf --enable-modules fails
- bug 1131 - Bug in Ipv4L3Protocol::RemoveAddress()
- bug 1133 - DSDV: Possible bug in settling time calc
- bug 1142 - Wrong 802.11p Slot time
- bug 1146 - help string for test.py with disabled tests
Known issues
------------
In general, known issues are tracked on the project tracker available
at http://www.nsnam.org/bugzilla/
Release 3.10
===========
Availability
------------
This release is available from:
http://www.nsnam.org/release/ns-allinone-3.10.tar.bz2
Supported platforms
-------------------
ns-3.10 has been tested on the following platforms. Not all features are
available on all platforms; check the Installation page on the project wiki.
- Linux i686 Ubuntu 10.10
- g++-4.4.5
- Linux x86_64 Ubuntu 8.04.4
- g++-3.4.6, g++-4.2.4
- Linux x86_64 Fedora Core 12
- g++-4.4.4
- Linux x86_64 Fedora Core 10
- g++-3.4.6, 4.0.4, 4.1.2, 4.2.4, 4.3.4, 4.4.0
- OS X Snow Leopard
- g++-4.2.1
- OS X powerpc Leopard
- g++-4.0, g++-4.2
New user-visible features
-------------------------
- NS-3 PyViz, a live simulation visualizer, has been added. The
visualizer interacts with a running simulation, such that it uses no
trace files. It can be most useful for debugging purposes, i.e. to
figure out if mobility models are what you expect, where packets are
being dropped, etc. There is also a builtin interactive python console
that can be used to debug the state of the running objects. Although
it is mostly written in Python, it works both with Python and pure C++
simulations.
- Wi-Fi MAC high classes have been reorganised in attempt to
consolidate shared functionality into a single class. This new
class is RegularWifiMac, and it derives from the abstract
WifiMac, and is parent of AdhocWifiMac, StaWifiMac, ApWifiMac,
and MeshWifiInterfaceMac. The QoS and non-QoS class variants are
no longer, with a RegularWifiMac attribute "QosSupported"
allowing selection between these two modes of
operation.
- Support for IEEE 802.11g (specifically, rates with Modulation
Class ERP-OFDM) has been added to the wifi module. The new
WifiModes have names of the form ErpOfdmRatexxMbps, where xx is
the rate in Mbps (one of 6, 9, 12, 18, 24, 36, 48, 54), and a
WifiPhyStandard enumeration WIFI_PHY_STANDARD_80211g has been
added to allow configuration of a Wi-Fi STA supporting ERP-OFDM,
HR/DSSS, and DSSS rates (which some call an "802.11b/g" station).
- Two attributes were added to WaypointMobilityModel. The first
"LazyNotify" (default false), if enabled to true, will suppress
course change notifications if there are no position updates.
The second, "InitialPositionIsWaypoint" (default false), if enabled,
will allow an initial call to SetPosition () (before any waypoints
have been added) to be treated as the first waypoint.
- Regression testing is now completely performed within test.py
rather than a separate "./waf --regression" that consults
reference traces in the ns-3.x-ref-traces directory. In most
cases, the example programs whose traces were included in
ns-3.x-ref-traces have a corresponding test called from the
test.py program. It is still possible to write trace-based
regression tests but they are now called from the test.py
program.
- New BulkSendApplication sends data as fast as possible up to
MaxBytes or unlimited if MaxBytes is zero. Think OnOff, but
without the "off" and without the variable data rate. This
application only works with SOCK_STREAM and SOCK_SEQPACKET
sockets, for example TCP sockets and not UDP sockets.
- Extensions to the energy models: 1) a new Rakhmatov Vrudhula
non-linear battery model, 2) additional support for modeling
energy consumption in WiFi devices, 3) an example for how to add
energy models to a WiFi-based simulation (in examples/energy/
directory).
- New methods to print IPv4 routing tables to an output stream.
- A replacement implementation for TCP for IPv4. TcpSocketBase
now replaces TcpSocketImpl. There are subclasses defined for
TCP Tahoe, Reno, NewReno, and the original RFC793 without
congestion control.
- Energy support for UAN module and Li-Ion energy model.
Now each network node can have an associated energy source
from which it consumes energy. The user can specify a custom
energy model for the underwater transducer, with default values
set for WHOI acoustic transducer. Li-Ion battery model added
into energy models folder.
- Destination-Sequenced Distance Vector (DSDV) routing protocol
is a proactive, table-driven routing protocol for MANETs
developed by Charles E. Perkins and Pravin Bhagwat in 1994.
This implementation is for IPv4 routing and was contributed
by ResilNets Research Group.
- A novel model to simulate LTE networks has been added. It focuses
mainly on modeling the E-UTRA part of the system, with a particular
attention on the aspects related to the channel, PHY and MAC layers.
The most important features available at this moment are (i) a basic
implementation of both the UE and the eNB devices, (ii) RRC and
entities for both the UE and the eNB, (iii) an Adaptive Modulation
and Coding (AMC) scheme for the downlink, (iv) the management of the
data radio bearers (with their QoS parameters), the MAC queues and
the RLC instances, (v) Channel Quality Indicator (CQI) management,
(vi) support for both uplink and downlik packet scheduling,
(vii) a PHY layer model with Resource Block level granularity, and
(viii) a channel model with the outdoor E-UTRAN propagation loss
model.
- Project documentation has been converted from GNU Texinfo to Sphinx.
Bugs fixed
----------
The following lists many of the bugs fixed or small feature additions
since ns-3.9, in many cases referencing the Bugzilla bug number
- bug 824 - TCP should implement FastRecovery by default
- bug 852 - Add support for 802.11g devices
- bug 892 - WaypointMobilityModel incompatible with MobilityHelper::Install
- bug 893 - Lazy CourseChange notification for WaypointMobilityModel
- bug 903 - TapBridge does not shut down properly
- bug 953 - WiMAX channel scanning overflow
- bug 967 - Need to decouple Ipv4L4Protocols from Ipv4L3Protocol
- bug 978 - Consolidate Wi-Fi MAC high functionality
- bug 979 - Multi-octet fields in Wi-Fi headers have wrong endianness
- bug 981 - use a cache to keep track of received MPDUs under block ack
- bug 983 - handle correctly ADDBA response action frames in QadhocWifiMac
- bug 984 - EmuNetDevice should use DIX encapsulation by default
- bug 985 - WiMAX Invalid management message type on wimax-simple
- bug 988 - MacRxMiddle::SequenceControlSmaller method
- bug 990 - Error with an NS_ASSERT at uan-phy-gen.cc
- bug 991 - InterferenceHelper assertion failure
- bug 992 - Unusual (possibly incorrect assertion) in Packet::Deserialize
- bug 993 - MinstrelWifiManager::UpdateStats useless if clause
- bug 994 - PointToPointGridHelper useless if clauses
- bug 995 - Useless (possibly incorrect) comparison of unsigned int
- bug 1004 - module header not rebuilt
- bug 1005 - GetSocket() methods for OnOffApplication and PacketSink
- bug 1009 - decouple m_finSequence (TcpSocketImpl) from tx sequence numbers
- bug 1012 - UAN Throp propagation model bug
- bug 1015 - GetChannelFrequencyMhz() does not match with standard
- bug 1022 - inappropriate ASSERT in tcp-socket-impl.cc
- bug 1025 - wimax-ipv4 script exists with signal SIGSEGV when nbSS>20
- bug 1027 - RocketfuelTopologyReader is not working at all
- bug 1029 - v4Ping application endian issues
- bug 1030 - routing/aodv example fixed
- bug 1031 - Wifi hidden terminal example does not work
- bug 1032 - Unable to specify multiple Compiler/Linker flags
Known issues
------------
In general, known issues are tracked on the project tracker available
at http://www.nsnam.org/bugzilla/
Windows XP 32 bit Cygwin 1.7.7 does not seem to work because of a
problem (reported elsewhere) in linking large libraries.
Release 3.9
===========
Availability
------------
This release is immediately available from:
http://www.nsnam.org/release/ns-allinone-3.9.tar.bz2
Supported platforms
-------------------
ns-3.9 has been tested on the following platforms:
- Ubuntu 10.04 LTS 32/64-bit gcc-4.4.3
- Fedora Core 12 64-bit gcc-4.4.3
- Ubuntu 9.10 32-bit gcc-4.4.1
- Ubuntu 8.04 LTS 64-bit gcc-4.2.4
- Fedora Core 5 32-bit gcc-4.1.1
- Mac OS X Leopard powerpc gcc-4.0.1
- Windows Cygwin 1.7.5
Not all ns-3 options are available on all platforms; consult the
wiki for more information:
http://www.nsnam.org/wiki/index.php/Installation
New user-visible features
-------------------------
- A reorganisation of the construction of Wi-Fi transmit rates has
been undertaken with the aim of simplifying the task of
supporting further IEEE 802.11 PHYs. This work has been completed
under the auspices of Bug 871. A consequence of this work is that
WifiModes have a new (hopefully future-proof) naming, and
simulations which specify rates by name will need updating. The
list of new rate names is given in the error message produced
when an attempt is made to use any invalid rate name (including
those that were previously valid).
- A new OFDM error rate model for WiFi (NistErrorRateModel); this model
has been validated in clear-channel testbed tests. For 802.11b, it
uses the same underlying model as the YansErrorRateModel, but it differs
from YansErrorRateModel for OFDM modes (802.11a/g). The default
YansWifiPhyHelper has been changed to use this model.
- A new NS-2 mobility trace reader supports BonnMotion, SUMO, TraNS,
etc. traces.
- An energy model for nodes and devices, including an energy source
model and device energy models allowing energy-aware devices
to notify the energy source about energy consumption.
- Rocketfuel topology dataset support for existing topology reader
Rocketfuel project:
http://www.cs.washington.edu/research/networking/rocketfuel/
- Underwater Acoustic Network (UAN) model, split in to three parts, the
channel, PHY, and MAC models to enable researchers to model a variety
of underwater network scenarios.
- the Spectrum framework, which provides support for spectrum-aware
Channel and PHY layer modeling. It features a set of classes that
allows the mathematical representation of frequency dependent
phenomena. Some example channel, propagation and device
implementations that make use of this framework are also
included.
Bugs fixed
----------
The following lists many of the bugs fixed or small feature additions
since ns-3.8, in many cases referencing the Bugzilla bug number
- IPv4 global routing code; stub networks were assumed to be /24
and added as /24 networks even if the mask is actually different
- OLSR was generating messages on non-OLSR interfaces
- ICMPv4 objects not properly registered; affected serialization code
- bug 231 - SocketAddressTag needs to be removed from a packet before
forwarding the packet to the user
- bug 385 - Add a generic "sequence number" class
- bug 473 - [PATCH] Alternative ns-2 trace reader
- bug 665 - Need Tutorial Sectino on Config Path and Tracing Use
- bug 671 - add packet-info-tag.cc for IP_PKTINFO/IPV6_PKTINFO
- bug 702 - Global routing doesn't respond to interface events
- bug 799 - Interference helper is too slow
- bug 800 - Erroneous packet sender while using aloha or cw mac in uan module
- bug 802 - Minstrel algorithm causes segmentation fault
- bug 826 - Using uint64_t instead of Time in DcfManager
- bug 828 - PacketSocket::Close does not unregister protocol handler
- bug 842 - ns-3-dev crashes using block acks
- bug 843 - Most wifi examples change BeaconInterval to unrealistic values
- bug 844 - YansWifiPhy::GetPowerDbm off-by-one problem when calculating Tx
power
- bug 846 - packet.cc triggers deprecated warning
- bug 853 - Rates for Wi-Fi control responses are incorrectly selected
- bug 854 - Support DROP_QUEUE reason-code in Ipv4FlowProbe
- bug 858 - support MSG_PEEK in IPv4/IPv6 raw socket
- bug 861 - Forwarding drops (due to no route found) were not being logged
in IPv4 or IPv6 ascii traces
- bug 869 - suggested test framework enhancements
- bug 871 - naming for WifiPhyStandard
- bug 873 - Queue occupancy counter not decremented in WifiMacQueue::Remove()
- bug 874 - wrong modulation type is selected in the forwardBurst method
- bug 875 - "frame includes FCS" flag should be set in Radiotap frame header
- bug 879 - source address selection for AODV using DeferredRouteRequest
- bug 881 - Reorganise to allow wider use of WifiInformationElement
- bug 890 - several rate adaptation algorithms not tested by test.py
- bug 900: RawTextConfigLoad::Default does not load configurations
- bug 901 - Optimize Mac48Address < != and ==
- bug 902 - TCP: handle out-of-order packets during connection shutdown
- bug 905 - WimaxNetDevice loses packet uid, tags, and memory optimization
- bug 906 - NSC TCP socket fork did not copy txbuffersize over
- bug 908 - test.py should exit if waf dies
- bug 910 - Change Wi-Fi "AccessClass" to something closer to the standard
- bug 911 - IPv4/v6 multicast forwarding not going to all output interfaces
- bug 913 - Queue Enqueue/Drop trace sources behavior unintuitive
- bug 916 - EnableAsciiAll ("prefix") does not work for YansWifiPhyHelper
- bug 918 - samples/main-packet-header.cc is broken
- bug 919 - minstrel does not pass valgrind tests
- bug 921 - Inconsistent declaration of class/struct Object in object.h
- bug 922 - Inconsistent declaration of class/struct in
wifi-remote-station-manager.h
- bug 923 - Inconsistent declaration of class/struct in mac-low.h
- bug 924 - Inconsistent declaration of class/struct in <xxx>-wifi-managers
- bug 925 - Various IPv6 cc files trigger deprecated warning
- bug 926 - olsr handling of multicast packets
- bug 927 - SimpleOfdmWimaxChannel RxPower computation
- bug 930 - examples/topology-read/topology-example-sim.cc uses variable
length array
- bug 931 - Abnormal exit reports SIGSEGV on failure
- bug 932 - Support IP_HDRINCL option for Ipv4RawSocket
- bug 933 - Flushing ostream and files on abnormal program exit
(ASSERT, ABORT and FATAL_ERROR)
- bug 936 - Waf build error for python bindings on "AccessClass"
- bug 937 - bugs in ns-3 wimax
- bug 939 - EmuNetDevice uses too much memory when reading packet bursts
- bug 940 - AODV fails to set up a correct path
- bug 941 - Wifi Dcf attributes not reachable through configuration namespace
- bug 943 - Add a SO_BROADCAST socket option
- bug 944 - change default ErrorRateModel from YansErrorRateModel to
NistErrorRateModel
- bug 946 - Rocketfuel topology dataset support for topology reader
- bug 949 - Node::NonPromiscReceiveFromDevice reports a meaningless
destination address to user callbacks
- bug 950 - PointToPointNetDevice says promisc support is not implemented
but it is
- bug 955 - Install NSC for NS3 in a Itanium Architecture (ia64) with Linux 2.6.16.6
- bug 956 - Bindings failure in core (traced-value) with older gcc
- bug 958 - WiFi uses wrong default values for MTU, FragmentationThreshold
and RtsCtsThreshold
- bug 959 - Simulation never finishes when using RealtimeSimulatorImpl
- bug 960 - V4Ping does not generate checksum
- bug 961 - Problem with MPI activation
- bug 964 - AODV does not work with host addressed interfaces
- bug 965 - Problem building /src/core/callback.cc
- bug 966 - AODV originates new RREQ on each packet, when doesn't have
valid route
- bug 969 - No SocketList is present in UdpL4Protocol class
- bug 971 - fix AODV header Print functions
- bug 972 - [flow monitor] assertion fails in pv4-flow-probe.cc
Known issues
------------
Release 3.8
===========
Availability
------------
This release is immediately available from:
http://www.nsnam.org/release/ns-allinone-3.8.tar.bz2
Supported platforms
-------------------
ns-3.8 has been tested on the following platforms:
- linux x86 gcc 4.4.0, 4.3.2, 4.2, 4.1.1, 4.1 and 3.4.6 (debug and optimized)
- linux x86_64 gcc 4.4.0, 4.3.2, 4.2.4, 4.2.3, 4.2.1, 4.1.3, 3.4.6 (debug and optimized)
- MacOS X ppc gcc 4.0.x and 4.2.x (debug and optimized)
- cygwin gcc 4.3.4 (debug and optimized)
Not all ns-3 options are available on all platforms; consult the
wiki for more information:
http://www.nsnam.org/wiki/index.php/Installation
New user-visible features
-------------------------
a) WiMAX net device: Allow to simulated IEEE 802.16 point to multi-point based networks
b) Distributed simulation for point-to-point networks using the Message
Passing Interface (MPI) standard.
c) Matrix propagation loss model uses a two-dimensional matrix of path loss indexed
by source and destination nodes.
d) Topology read system: Allows quick and easy creation of large topologies by reading
Inet or Orbis files
e) Gauss-Markov mobility model: Adds 3-d adaptation of Gauss-Markov mobility model which
has both memory and variability
f) Steady-state random waypoint mobility model: Based on random waypoint mobility (RWM) model for case when
speed, pause and position are uniformly distributed random variables. However, initial values of these
parameters are not from uniform distribution but from stationary distribution of RWM model.
g) Two-ray ground propagation loss model: Calculates the crossover distance under which Friis is used.
The antenna height is set to the nodes z coordinate, but can be added to using the model parameter
SetHeightAboveZ, which will affect ALL stations
API changes from ns-3.7
-----------------------
API changes for this release are documented in the file CHANGES.html.
Bugs fixed
----------
The following lists many of the bugs that were fixed since ns-3.7, in
many cases referencing the Bugzilla bug number
- bug 155 - std::ostream & os" parameters not Python friendly
- bug 184 - GtkConfigStore do not support ConfigureDefault
- bug 407 - OLSR is missing HNA support
- bug 414 - No ReceiveErrorModel in SimpleNetDevice
- bug 602 - WifiRemoteStation lacks information about the access class of outgoing packets
- bug 622 - [PATCH] Friendly names for pcap traces
- bug 683 - Helper methods for pcap tracing with explicit filenames
- bug 706 - Backoff counting when starting NS.
- bug 720 - TapBridge creation fails from a script outside the ns3 tree
- bug 731 - Send function in point-to-point-net-device fails to check the return value of the Dequeue function
- bug 747 - Listening TCP socket closes on RST
- bug 748 - Cloned TCP socket uses wrong source address
- bug 772 - AODV is unable to correctly buffer packets waiting for route reply
- bug 777 - AODV ignores specified outgoing interface in RouteOutput()
- bug 778 - OLSR ignores specified outgoing interface in RouteOutput()
- bug 787 - Addition of Two Ray Ground model to propagation loss model and tests
- bug 788 - OLSR_NEIGH_HOLD_TIME should be 3 times OLSR_REFRESH_INTERVAL
- bug 789 - [PATCH] Globalrouting externalroutes to use the new GetRootExitDirections()
- bug 794 - Ipv4Mask constructor for "/yy"-notation is wrong
- bug 796 - TCP bug in ns-3-dev branch : Crash detected during retesting of Chord on ns-3-dev branch
- bug 797 - Enhancements to src/core/random-variable.cc/h
- bug 801 - ns-3.7 and SVN not coexisting nicely
- bug 802 - Minstrel algorithm causes segmentation fault
- bug 804 - null-pointer references in 3.7 internet stack
- bug 806 - TCP doesn't work over a CSMA link
- bug 807 - ns2-mobility-helper.cc: node id parsed wrong
- bug 809 - Missing Python binding for Ipv4GlobalRouting::GetRoute
- bug 810 - In TCP, Socket::GetSockName() does not return the local socket address
- bug 812 - Assert when getting socket in RecvReply for AODV
- bug 813 - Nqos AP sends packet to non associated STA
- bug 814 - Function logging causing assert in wireless examples
- bug 815 - waf shell file descriptor leak
- bug 816 - tap-creator deadlock when python bindings enabled
- bug 817 - Pareto rng constructors using scale and shape instead of mean and shape
- bug 818 - TCP Socket implementation does not set ACK flag on retransmits
- bug 819 - Build break when gtk not installed
- bug 820 - Bad things happen in test.py when logging is enabled
- bug 821 - AODV asserts with function logging enabled
- bug 822 - Move Mtu attribute from NetDevice base class to subclasses
- bug 825 - UDP-Client-server's packet loss counter not properly reset
- bug 828 - PacketSocket::Close does not unregister protocol handler
- bug 829 - TCP unbound memory problem (pending data)
- bug 833 - OnOffApplication with PacketSocket: sniffs all traffic
- bug 834 - Incorrect signature of Ipv4FlowProbe::DropLogger
- bug 835 - Unlimited receive queues in sockets == evil