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TCP is [slow] (http://barchart.github.com/barchart-udt/main/presentation-2009/img6.html) . UDT is [fast] (http://barchart.github.com/barchart-udt/main/presentation-2009/img9.html) .
[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 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) .
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.
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>
</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>
<!-- location of artifacts before they are published to maven central -->
<repository>
<id>sonatype-public</id>
<name>sonatype-public</name>
<url>http://oss.sonatype.org/content/groups/public/</url>
<releases>
<enabled>true</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>
</dependency>
</dependencies>
Here is an dependency [example pom.xml] (https://github.com/barchart/barchart-udt/tree/master/barchart-udt-demo/pom.xml) and [example project] (https://github.com/barchart/barchart-udt/tree/master/barchart-udt-demo) .
You can find out current versions or download manually here: [RELEASE] (https://oss.sonatype.org/content/repositories/releases/com/barchart/udt/) or [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
Barchart-UDT is currently used on:
- Oracle JDK: 6, 7;
| ARCH/OS | Linux | Mac OSX | Windows |
|---|---|---|---|
| arm-android | ??? | ||
| arm-rpi | +++ | ||
| x86/i386 | YES | YES | YES |
| x86-64/amd64 | YES | YES | YES |
Watch [presentation] (http://barchart.github.com/barchart-udt/main/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.
- 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
Please enter your [bug reports / feature requests] (https://github.com/barchart/barchart-udt/issues) in the "Issues";
Thank you.