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From Ron Wheeler <>
Subject Re: CloudStack Public Cloud with 1 IP address?
Date Mon, 23 Sep 2013 16:00:06 GMT
This is not really a CloudStack problem.
It depends what you want the VMs to do.
You usually do not need to expose them directly.
Some might be database servers or other web servers that are only 
accessed by applications that are touched by the public.
If you want an HTTP server to serve content to the public from a VM, you 
can put 1 public server running an HTTP server like Apache HTTP and use 
the proxy functions in Apache to redirect requests to the appropriate 
internal machine.

The answers to these questions are pretty much the same if you have real 
physical machines behind the machine with the public IP or if the 
machines are in your private cloud.
You need to give the private machines private names and private IPs and 
let the public machine get what it needs from the right private machine.

There are other solutions to other problems but that is one way to 
handle web sites on machines that are not on public IPs.

This is probably not the right forum for your question and you might get 
more help in a forum about networking or about the particular 
application that you are trying to deploy.
Since your question is not really about CloudStack, not many people here 
are going to want to get involved in your topic although most of them 
know the answers to your questions.

I hope that  this helps.
BTW: This is exactly the situation that I am trying to deploy as well so 
I can move some of my apps off real hardware.


On 23/09/2013 8:38 AM, Christopher M. Ryan wrote:
> All,
> I have managed to get CloudStack installed and it works great on the 
> office network. Now we want to make this private cloud public! 
> Unfortunately, we are only able to obtain 1 or 2 public IP addresses. 
> I'm no networking guru but how/where would I begin with the 
> configuration of CloudStack to host multiple VMs over the Internet 
> using only one IP address?
> Regards
> *Chris Ryan***
> Harmonia Holdings Group, LLC
> 404 People Place, Suite 402
> Charlottesville, VA 22911
> Office: (434) 244-4002
> Description: Description: Description: Description: Description: 
> SpringAhead <>

Ron Wheeler
Artifact Software Inc
skype: ronaldmwheeler
phone: 866-970-2435, ext 102

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