[openstack-dev] [Neutron] DHCP Agent Reliability

Robert Collins robertc at robertcollins.net
Sat Dec 7 09:21:39 UTC 2013

On 7 December 2013 21:53, Isaku Yamahata <isaku.yamahata at gmail.com> wrote:
> Case 3: Hardware failure. So an agent on the node is gone.
>         Another agent will run on another node.
> If AMQP service is set up not to lose notification, notifications will be piled up
> and stress AMQP service. I would say single node failure isn't catastrophic.

So we should have AMQP set to discard notifications if there is noone
listening: when an agent connects after an outage, it first starts
listening, then does a poll for updates it missed.


Robert Collins <rbtcollins at hp.com>
Distinguished Technologist
HP Converged Cloud

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