[openstack-dev] [Nova][Neutron] Linuxbridge as the default in DevStack [was: Status of the nova-network to Neutron migration work]

Jeremy Stanley fungi at yuggoth.org
Sat Apr 18 15:22:50 UTC 2015

On 2015-04-18 14:51:36 +0000 (+0000), Fox, Kevin M wrote:
> How will it help to have a flat network where all vms, not just
> the ones that need that scarce resource are on the same network
> consuming ips?

You seem to make the assumption that IP addresses are always scarce.
Perhaps for some environments they are, but there are plenty of
situations where they are not.

If you're suggesting I should perform network address translation to
reach my IPv6 addresses, or to connect an OpenStack environment into
an existing internal RFC-1918 network, or in my enterprise that got
multiple legacy class B IPv4 assignments from InterNIC, I'm pretty

Not every "cloud" is a public service provider.
Jeremy Stanley

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