The Open Real-Time Ethernet (ORTE) is an open source implementation of Real-Time Publish-Subscribe (RTPS) communication protocol. RTPS is new application layer protocol targeted to real-time communication area, which is build on the top of standard UDP stack. Since there are many TCP/IP stack implementations under many operating systems and RTPS protocol does not have any other special HW/SW requirements, it should be easily ported to many HW/SW target platforms. Because it uses only UDP protocol, it retains control of timing and reliability.

News

  • 2013-10-28 ORTE 0.3.4 released. It features Android support.
  • 2013-10-05 We are preparing a new release that will feature Android support. Stay tuned and/or test the version from our git repository.
  • 2012-08-15 ORTE 0.3.3 released. This is mostly a bugfix release.

Documents

Specifications

Download

ORTE can be downloaded from a project page at SourceForge.net.

Note that old releases are located elsewhere.

Support

ORTE is collectively maintained by Michal Sojka, Pavel Píša and Petr Smolík. The maintainers can be reached via email at orte@rtime.felk.cvut.cz.

Links

Links to ORTE related projects:

  • ORTE was developed at Czech Technical University in Prague.

  • OpenDDS

    OpenDDS is an open-source C++ implementation of the Object Management Group's specification "Data Distribution Service for Real-time Systems". OpenDDS is built on the ACE (ADAPTIVE Communication Environment) abstraction layer to provide platform portability. OpenDDS also leverages capabilities of TAO (The ACE Orb), such as its IDL compiler and as the basis of the OpenDDS DCPS Information Repository (DCPSInfoRepo).

  • JacORB DDS

    The distribution provides an open-source Java-based DDS-DCPS implementation. The purpose of this implementation is pedagogical and demonstrations http://www-adele.imag.fr/users/Didier.Donsez/dev/dds/readme.html.

  • SQLbusRT is a software package which enables SQL in a publish subscribe environment with real time provisions. The software package finds it usage in:

    • Real time measuring environments (data acquisition),
    • Fast messaging systems,
    • Real time database in machine automation, and SCADA systems
    • Medical systems
    • Military battlesystems
  • PyPubSub (short for Python based Publish Subscribe) is a framework for implementing a publish subscribe mechanism into a Python application.

References

We are aware of the following uses of ORTE:

  • Imtech

    • ORTE as core message exchange mechanism in an aerodynamic wind tunnel automation project, for one of the main windtunnel facilities of the world. (see http://www.dnw.aero for more info).

    • ORTE as message exchange mechanism for the Dutch government: in the automation facility for public water level management in the Netherlands. For an example, see this document.

  • Flamingos and CTU Dragons Eurobot teams

    A group of university staffs and students, who are interested in robotics and control engineering. Their objective is to design and develop robots for various competitions.

  • Network Vehicle Systems -- Paper


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