Open Stack

Thanks Brian,

I may having difficulty to understand that example, if I have only /24 public subnet for cloud and have 200 compute node then how does it work? 

Sent from my iPhone

> On Jan 15, 2018, at 9:47 PM, Brian Haley <haleyb.dev at gmail.com> wrote:
> 
>> On 01/15/2018 01:57 PM, Satish Patel wrote:
>> I am planning to build openstack on production and big question is
>> network (legacy vs DVR) but in DVR big concern is number of Public IP
>> used on every compute node, I am planning to add max 100 node in
>> cluster in that case it will use 100 public IP for compute node, Ouch!
> 
> You can reduce this public IP consumption by using multiple subnets on the external network, with one just for those DVR interfaces. See
> https://docs.openstack.org/ocata/networking-guide/config-service-subnets.html
> Example #2 for a possible configuration.
> 
> As for what type of L3 configuration to run, it seems like you have a good idea of some of the trade-offs with each.
> 
> -Brian
> 
>> If i use legacy compute node then it could be bottleneck or failure
>> node if not in HA.
>> what most of company use for network node?  DVR or legacy?
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