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This may not be a complete answer, but could help you till some extent.

Talking about the technical side, in linux we have network namespaces. Do "man setns" or search for "netns" in "man ip" to see more detailed info about it.

When you create a network namespace, you can add ip routing tables, addresses in that namespace which will not affect your default network information. These network namespaces can be assigned to a specific process/device and hence that namespace will be confined to that process/device.

You should better look into the files in neutron/agent/linux where "ip netns" command are frequently used.

This may not be a complete answer, but could help you till some extent.

Talking about the technical side, in linux we have network namespaces. Do "man setns" or search for "netns" in "man ip" to see more detailed info about it.

When you create a network namespace, you can add ip routing tables, addresses in that namespace which will not affect your default network information. information or other networks created by Openstack. These network namespaces can be assigned to a specific process/device and hence that namespace will be confined to that process/device.

You should better look into the files in neutron/agent/linux where "ip netns" command are frequently used.

This may not be a complete answer, but could help you till some extent.

Talking about the technical side, in linux we have network namespaces. Do "man setns" or search for "netns" in "man ip" to see more detailed info about it.

When you create a network namespace, you can add ip routing tables, addresses in that namespace which will not affect your default network information or other networks created by Openstack. These network namespaces can be assigned to a specific process/device and hence that namespace will be confined to that process/device.

You should better look into the files in neutron/agent/linux where "ip netns" command are frequently used.

Hope this helps. Do let me know if you find more info about it. I would like to know as well. :)