Though we can add multiple subnets to the Network. We don't have an option to 
attach/select subnet to Network. It is observed that when all the IP Address 
are consumed from first subnet, then it starts using the next subnet available 
for the network.

More flexibility in selecting subnet to Network will be a good thing to have.

Any thoughts or use-case information for not giving an option to select subnet 
for a Network?

Regards,
Balaji.P

From: Lorin Hochstein [mailto:[email protected]]
Sent: Thursday, August 15, 2013 1:43 AM
To: [email protected]
Subject: [openstack-dev] [neutron] Why is "network" and "subnet" modeled 
separately?

Here's a neutron implementation question: why does neutron model "network" and 
"subnet" as separate entities?

Or, to ask another way, are there are any practical use cases where you would 
*not* have a one-to-one relationship between neutron networks and neutron 
subnets in an OpenStack deployment? (e.g. one neutron network associated with 
multiple neutron subnets, or one neutron network associated with zero neutron 
subnets)?

Lorin
--
Lorin Hochstein
Lead Architect - Cloud Services
Nimbis Services, Inc.
www.nimbisservices.com<http://www.nimbisservices.com>
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