How many connection can we create using Openfire

Hello All,

We are creating one app, we are targetting to use Openfire as out Instant Server.

But our target audience will be over i Milion users. I gone through lot of link on this forum, i did not get any specific answer for this.

By using clutering also is it possible?

If any one have any idea about please share it with me, it will be great for us.

Thanks in advance.