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Java wrapper around native C++ UDT protocol implementation

TCP

TCP is [slow] (http://barchart.github.com/barchart-udt/site/presentation-2009/img6.html) .

UDT is [fast] (http://barchart.github.com/barchart-udt/site/presentation-2009/img9.html) .

UDT

[UDT is a reliable UDP] (http://udt.sourceforge.net) based application level data transport protocol for distributed data intensive applications.

UDT is developed by Yunhong Gu and others at University of Illinois and Google.

UDT C++ implementation is available under 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 [Barchart, Inc.] (http://www.barchart.com)

Barchart-UDT is available under [BSD license] (http://udt.sourceforge.net/license.html) as well.

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

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 [maven central repository] (http://search.maven.org/#search%7Cga%7C1%7Cbarchart-udt) .

<dependencies>
	<dependency>
		<groupId>com.barchart.udt</groupId>
		<artifactId>barchart-udt-bundle</artifactId>
		<version>X.Y.Z</version>
		<type>jar</type>
		<scope>compile</scope>
	</dependency>
</dependencies>

To use Barchart-UDT SNAPSHOT as maven 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-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-udt-bundle</artifactId>
		<version>X.Y.Z-SNAPSHOT</version>
		<type>jar</type>
		<scope>compile</scope>
	</dependency>
</dependencies>

Here is an dependency [example pom.xml] (https://github.com/barchart/barchart-udt/tree/master/barchart-udt-example/pom.xml) and [example project] (https://github.com/barchart/barchart-udt/tree/master/barchart-udt-example) .

You can find out current versions or download manually here: [RELEASE] (https://oss.sonatype.org/content/repositories/releases/com/barchart/udt/) [SNAPSHOT] (https://oss.sonatype.org/content/repositories/snapshots/com/barchart/udt/)

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

Supported Platforms

Barchart-UDT is currently used on:

• Oracle JDK: 6;

Platform	x86/i386	x86-64/amd64
Linux	YES	YES
Mac OS X	YES	YES
Windows	YES	YES

Documentation

Watch [presentation] (http://barchart.github.com/barchart-udt/site/presentation-2009/img0.html) study [javadoc] (http://barchart.github.com/barchart-udt/site/barchart-udt-core/apidocs/index.html) read [doxygen] (http://barchart.github.com/barchart-udt/site/barchart-udt-core/doxygen/index.html) or browse the [source xref] (http://barchart.github.com/barchart-udt/site/barchart-udt-core/xref/index.html) .

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

Development Environment

Build System

• jdk 1.6.0_37
• maven 3.0.4
• jenkins 1.450
• eclipse 3.7
• 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 enter your [bug reports / feature requests] (https://github.com/barchart/barchart-udt/issues) in the "Issues";

Thank you.