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[Akihiro Motoki <1943355@xxxxxxxxxxxxxxxxxx>]

First of all, as our task of the bug management, I am marking this as
Invalid because it is not a bug but a question to the existing neutron
feature.

Regarding your questions, In most cases, Lajos and Brian already gave
good answers. One thing I would like to note is that neutron can be used
as a standalone without other OpenStack components using
auth_strategy=noauth, but it totally dpeneds on your needs. Note that
keystone is the only component which neutron directly depends (if you
use neutron with authentication) so additional overhead would not be so
big. Most information and tools around cover neutron as a OpenStack
component so if you really want to use this you need to understand what
really happens by yourselves (and the upstream development team does not
verify noauth mode in our CI).

In addition, in case of OVN with neutron, OVN covers most features as
SDN controller and neutron mainly provides the integration with other
OpenStack components like nova. Thus, I am not sure what is the merit
you use stand-alone neutorn with OVN.

** Changed in: neutron
       Status: New => Invalid

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https://bugs.launchpad.net/bugs/1943355

Title:
  Can We Use Openstack Neutron as standalone component?

Status in neutron:
  Invalid

Bug description:
  **Scenario**:
  We are trying to develop our Virtual Network using `Open Virtual Network` or `OVN`, We need our Virtual Network Switches running firstly on the root Virtual Router, and there are some other Virtual Switches as well. I was Working on the `openvswitch` and `OVN` but a lot of things are missing for me, and there are some unlinked dots between the deployment itself and there are some problems. My Question has 3 further Parts. 

   1. Is it possible at all to use `Neutron` as our Network Manager without OpenStack cloud installation?
   2. Is it a good approach?
   3. if not then are there any cookbooks available for `OVN`, I am not talking about man-pages.

  Any help would be highly appreciated.

  P.S. I am thinking about this because OVN got merged with Neutron, and
  it could be one of the possibilities.

  **Note**: Please Don't downvote the question because I don't have that
  much experience with the network could be a stupid question, will
  remove it if you provide me the info in the comment section.

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