Rice University Maestro
Maestro is an “operating system” for orchestrating network control applications. Maestro provides interfaces for implementing modular network control applications to access and modify state of the network, and coordinate their interactions. Maestro is a platform for achieving automatic and programmatic network control functions using these modularized applications. Although this project focuses on building an OpenFlow controller using Maestro, Maestro is not only limited to OpenFlow networks. The programming framework of Maestro provides interfaces for:
Moreover, Maestro tries to exploit parallelism within a single machine to improve the system’s throughput performance. The fundamental feature of an OpenFlow network is that the controller is responsible for every flow’s initial establishment by contacting related switches. Thus the performance of the controller could be the bottleneck. In designing Maestro we try to require as little effort from programmers as possible to manage the parallelization. Instead Maestro handles most of the tedious and complicated job of managing work load distribution and worker threads scheduling. By design Maestro is both portable and scalable:
Maestro currently provides the control components for realizing either a learning switch network, or a routed network using OpenFlow switches. Some components such as the command line console, etc, are still not full-fledged. We plan to further enrich and enhance the functionality of Maestro in future releases. Notice that Maestro is licensed under the GNU Lesser General Public License version 2.1. Google-project’s LGPL directs only to the version 3, so we make it explicit here that Maestro is licensed under LGPL v2.1.
|Author||Zheng Cai Eugene T.S|
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