Hi Zhidong, Thanks for pointers.
IMHO, we need to have a flexibility to attach/select a Subnet for Networks and as well support for L2/L3 mode selection. Certainly this will extend the Neutron use cases for ex: NFV deployments etc. Any comments? Regards, Balaji.P From: Zhidong Yu [mailto:[email protected]] Sent: Friday, August 16, 2013 6:43 AM To: OpenStack Development Mailing List Subject: Re: [openstack-dev] [neutron] Why is "network" and "subnet" modeled separately? I asked the similar question before. Salvatore Orlando's answer makes sense to me. Please refer to https://lists.launchpad.net/openstack/msg21928.html On Thu, Aug 15, 2013 at 2:58 PM, Stephen Gran <[email protected]<mailto:[email protected]>> wrote: Hi, On 14/08/13 21:12, Lorin Hochstein wrote: 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)? Different tenants might both use the same subnet range on different layer 2 networks. One one layer 2 network, you might run dual stacked, ie, ipv4 and ipv6. Supporting these use cases necessitates modeling them separately. Cheers, -- Stephen Gran Senior Systems Integrator - theguardian.com<http://theguardian.com> Please consider the environment before printing this email. ------------------------------------------------------------------ Visit theguardian.com<http://theguardian.com> On your mobile, download the Guardian iPhone app theguardian.com/iphone<http://theguardian.com/iphone> and our iPad edition theguardian.com/iPad<http://theguardian.com/iPad> Save up to 32% by subscribing to the Guardian and Observer - choose the papers you want and get full digital access. Visit subscribe.theguardian.com<http://subscribe.theguardian.com> This e-mail and all attachments are confidential and may also be privileged. If you are not the named recipient, please notify the sender and delete the e-mail and all attachments immediately. Do not disclose the contents to another person. You may not use the information for any purpose, or store, or copy, it in any way. Guardian News & Media Limited is not liable for any computer viruses or other material transmitted with or as part of this e-mail. You should employ virus checking software. Guardian News & Media Limited A member of Guardian Media Group plc Registered Office PO Box 68164 Kings Place 90 York Way London N1P 2AP Registered in England Number 908396 -------------------------------------------------------------------------- _______________________________________________ OpenStack-dev mailing list [email protected]<mailto:[email protected]> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev
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