Open Stack

On 04/26/2016 10:16 AM, Rick Jones wrote:
> On 04/25/2016 11:33 PM, Jaison Peter wrote:
>> But one of the major drawback we are seeing with DVR is the public IP
>> consumption.If we have 100 clients and 1 VM per client , eventually
>> there will be 100 tenants and 100 routers. Since its a public cloud, we
>> have to offer public IP for each VM. In DVR mode, fip name space in
>> compute will be consuming one public IP and if 100 VMs are running among
>> 20 computes, then total 20 public IPs will be used among computes. And a
>> router SNAT name space will be created for each tenant router(Total
>> 100)  and each of it will be consuming 1 public  IP and so total 100
>> public IPs will be consumed by central SNAT name spaces. So total 100 +
>> 20 = 120 public IPs will be used by openstack components and  100 will
>> be used as floating IPs (1:1 NAT) by VMs. So we need 220 public IPs for
>> providing dedicated public IPs for 100 VMs !! Anything wrong with our
>> calculation?
>
> Have you also looked at the namespaces created on the compute nodes and
> the IP addresses they get?

Reading comprehension.  I have heard of it...  Re-reading I see that you 
did.  Clearly still to early in the day for me to avoid an Emily Litella 
moment.

rick jones