Hello. I have a question why the Neutron Networking, which introduces 3 nodes (Network Node, Compute Node, and Controller Node) deployment that separates Networking functionalities, has been proposed and adopted since OpenStack Havana release.
I've read and found lots of documentations and I felt that the Multi-host Networking mode with nova-network seems much more suitable for production ready, because this deployment can distribute traffics accordingly. As far as I know, the current Neutron based Networking, which is fully centralized, can provide neither traffic distribution nor scalability I think. An only merit seems to provide HA to avoid SPOF... Could someone explain the background why the Neutron Networking has been proposed and what the demerits of Multi-host Networking were? Thanks in advance. Best regards Byeong-Gi KIM
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