MOVED

the project is moved to github https://github.com/barchart/barchart-udt

this site is no longer maintained

What is this?

TCP

TCP is slow. UDT is fast.

UDT

UDT is a reliable UDP based application level data transport protocol for distributed data intensive applications.
UDT is developed by
http://users.lac.uic.edu/~yunhong'>Dr.Yunhong Gu and others at University of Illinois.

UDT C++ implementation is available under
http://udt.sourceforge.net/license.html'>BSD license

Barchart-UDT

Barchart-UDT is a Java wrapper around native C++ UDT protocol implementation.

Barchart-UDT is developed by Andrei Pozolotin and others at
http://www.barchart.com'>Barchart, Inc.
Barchart-UDT is available under
http://en.wikipedia.org/wiki/BSD_licenses'>BSD license as well.

Barchart-UDT exposes UDT protocol as both
http://java.sun.com/javase/6/docs/api/java/net/Socket.html'>java.net.Socket and
http://java.sun.com/javase/6/docs/api/java/nio/channels/SocketChannel.html'>java.nio.channels.SocketChannel
and comes with a
http://java.sun.com/javase/6/docs/api/java/nio/channels/spi/SelectorProvider.html'>java.nio.channels.spi.SelectorProvider.

Developers Welcome

If you are an expert in Java, NIO, JNI, C++, if you need this project for yourself,

and if you can contribute to this project - please get in touch.

Maven Dependency

Barchart-UDT RELEASE is available in http://mavencentral.sonatype.com/#search|ga|1|barchart'>maven central repository.

To use Barchart-UDT SNAPSHOT as maven2 dependency in your java project,

please provide the following repository and dependency definitions in your pom.xml:

 <repositories>


        <repository>


            <id>sonatype-nexus-snapshots</id>


            <name>Sonatype Nexus Snapshots</name>


            <url>https://oss.sonatype.org/content/repositories/snapshots</url>


            <releases>


                <enabled>false</enabled>


            </releases>


            <snapshots>


                <enabled>true</enabled>


            </snapshots>


        </repository>


    </repositories>


    <dependencies>


        <dependency>


            <groupId>com.barchart.udt</groupId>


            <artifactId>barchart-udt4-bundle</artifactId>


            <version>X.X.X-SNAPSHOT</version>


            <type>jar</type>


            <scope>compile</scope>


        </dependency>


    </dependencies>

Here is an
http://code.google.com/p/barchart-udt/source/browse/trunk/test-deps/pom.xml'>example pom.xml and
http://code.google.com/p/barchart-udt/source/browse/trunk/test-deps/'>eclipse project .

You can find out current RELEASE and SNAPSHOT versions here:

Current RELEASE:

http://repo1.maven.org/maven2/com/barchart/udt/'>http://repo1.maven.org/maven2/com/barchart/udt/

Current SNAPSHOT:

https://oss.sonatype.org/content/repositories/snapshots/com/barchart/udt/'>https://oss.sonatype.org/content/repositories/snapshots/com/barchart/udt/

Please make sure you update barchart-udt4-bundle artifact version in your pom.xml

Supported Platforms

Barchart-UDT is currently used on:

• Sun JDK: 6;

Documentation

Read the
http://barchart-udt.googlecode.com/svn/site/presentation/udt-2009.html'>presentation , study
http://barchart-udt.googlecode.com/svn/site/barchart-udt4/apidocs/index.html'>javadoc ,
http://barchart-udt.googlecode.com/svn/site/barchart-udt4/doxygen/index.html'>doxygen or browse the
http://code.google.com/p/barchart-udt/source/browse/#svn/trunk/barchart-udt4'>source .

Unit Tests in the source will provide good starting points for your java code.

Development Environment

Build System

• jdk 1.6.0_23
  
• maven 3.0.2
  
• hudson 1.394
  
• eclipse 3.6
  
• cdt 7.1
  
• gcc 4.5.1
  
• tdm-gcc 4.5.1
  
• vmware 7.1
  
• ubuntu 10.10
  
• macosx 10.6.5
  
• windows 7

Contact Information

Please:

1. join project's mailing list / discussion group
2. enter your bug reports / feature requests in the "Issues";
   
3. leave your valuable thoughts in the "Comments";
   
4. email project owner at: username at gmail dot com;

Thank you.