[Openstack] [ANNOUNCE] Ryu OSS Network Operating System

Dan Wendlandt dan at nicira.com
Fri Dec 9 11:31:22 UTC 2011

Hi, this is a neat project, thanks for sending it out.

I'm really happy to see that you've already performed the Quantum
integration by extending the Open vSwitch plugin.  This work is a great
example of how Quantum can be used to plug in a variety of different
back-end networking technologies.

Going through the docs, everything make sense.  Hopefully you can help
contribute some of those graphics to the main Quantum documentation as
well, as that's an area where our current docs are sorely lacking :)

We can definitely help you get your extensions to the Quantum code into
trunk, probably during the essex-3 timeframe (the essex-2 release is
currently less than a week away, and is already locked down).   I would
suggest creating a blueprint for this on http://launchpad.net/quantum .  If
you have detailed questions about Quantum, you can send them to
netstack at lists.launchpad.net .

It also looks like you have some small nova changes, mostly around the
QuantumManager + OVS vif-plugging.  I think some of them may not
be necessary after some work done by brad in essex-2 around integrating
QuantumManager with L3 + NAT (recently merged into trunk), but we can help
figure that out as well.


On Fri, Dec 9, 2011 at 1:52 AM, FUJITA Tomonori <
fujita.tomonori at lab.ntt.co.jp> wrote:

> Hi all,
> We are glad to announce the Ryu open-sourced Network Operating System.
> Ryu is released under GPL v3 license. It's fully written in Python.
> http://www.osrg.net/ryu/
> The project goal is to develop an OSS Network Operating System that
> has high quality enough for use in large production environment in
> code quality/functionality/usability.
> Ryu aims to provide a logically centralized control and well defined
> API that make it easy for operators to create new network management
> and control applications. Currently, Ryu supports OpenFlow protocol to
> modify the behavior of network devices.
> We aim at the de facto OSS NOS implementation and NOS API.
> Currently, Ryu is shipped with one control application for OpenStack
> network management L2 segregation of tenants without using VLAN. The
> application includes the changes to OpenStack (nova, quantum ovs
> plugin, etc).
> We are still in an early stage of development. Currently, Ryu is just
> an OpenFlow Controller. There are lots of TODO items: OpenFlow
> Protocol version 1.2 support (timely manner), the better API for
> control applications, distributed store support, etc. Please join the
> development community!
> Get source code:
> % git clone git://github.com/osrg/ryu.git
> Then just type:
> % cd ryu; python ./setup.py install
> and run ryu-manager command which is installed. Then set up your
> OpenFlow switch (hardware switch or OVS) to connect the ip address and
> port to which ryu-manager is listening.
> =
> NTT Cyber Space Laboratories
> Open Source Software Computing Project
> FUJITA Tomonori
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Dan Wendlandt
Nicira Networks: www.nicira.com
twitter: danwendlandt
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