2ec273cdc7
I found some old graphs I have drawn about the workings of the traditional metadata service. I don't know why I haven't contributed this earlier to Neutron docs. But anyway, better late than never. Change-Id: I7a412883c8c0d673d1617a3b212598b35e9e698f
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Metadata Service Architectural Overview
The following figures give an overview of the traditional implementation of the metadata service primarily focusing on the component view and the flow of information. There are two distinct figures depicting the metadata service as implemented in isolated networks or in networks with a router.
Please be aware that these figures are not complete. They do not
apply to ml2/ovn implementation<metadata_api> or to distributed
metadata. They also omit details like IPv6 metadata or redundancy in
the deployment.
Metadata on isolated networks - DHCP Agent
Metadata on networks with a router - L3 Agent
