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Trema Project status

An Open Source modular framework for developing OpenFlow controllers in Ruby/C

What's Trema?

Welcome to the Trema OpenFlow controller platform. The scope of Trema is to help researchers and developers to easily develop their own OpenFlow controllers, and NOT aiming at providing a specific OpenFlow controller implementation. Trema provides various basic libraries on which you can build your own OpenFlow controller, as well as integrated network emulator and a lot of sample controllers written in C and Ruby.

What's here?

This distribution includes all the source code of Trema you need to develop your own OpenFlow controllers. The source tree includes basic libraries and functional modules that work as an interface to OpenFlow switches. Several sample applications developed on top of Trema are also provided, so you can run them as a sample of OpenFlow controllers. Additionally, a simple but powerful framework that emulates an OpenFlow-based network and end-hosts is provided for testing your own controllers. For debugging, a wireshark plug-in to diagnosis internal communications, e.g. RPC, among functional modules is provided. Please refer to the quick start guide (https://github.com/trema/trema/wiki/Quick-start) for details.

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Authors

Please keep the list sorted.

Contributors

Thanks to:

  • Initial Helios development team for implementing prototype versions.

  • HIDEyuki Shimonishi for providing much-needed coffee, snacks, and christmas cakes!

  • Anonymous alpha/beta testers for finding potential issues.

License & Terms

Copyright (C) 2008-2011 NEC Corporation

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License, version 2, as published by the Free Software Foundation.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

Terms

Terms of Contributing to Trema program ("Program")

Please read the following terms before you submit to the Trema project ("Project") any original works of corrections, modifications, additions, patches and so forth to the Program ("Contribution"). By submitting the Contribution, you are agreeing to be bound by the following terms. If you do not or cannot agree to any of the terms, please do not submit the Contribution:

  1. You hereby grant to any person or entity receiving or distributing the Program through the Project a worldwide, perpetual, non-exclusive, royalty free license to use, reproduce, modify, prepare derivative works of, display, perform, sublicense, and distribute the Contribution and such derivative works.

  2. You warrant that you have all rights necessary to submit the Contribution and, to the best of your knowledge, the Contribution does not infringe copyright, patent, trademark, trade secret, or other intellectual property rights of any third parties.

  3. In the event that the Contribution is combined with third parties' programs, you notify to Project maintainers including NEC Corporation ("Maintainers") the author, the license condition, and the name of such third parties' programs.

  4. In the event that the Maintainers incorporates the Contribution into the Program, your name will not be indicated in the copyright notice of the Program, but will be indicated in the contributor list on the Project website.

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An Open Source modular framework for developing OpenFlow controllers in Ruby/C

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