Setup HCL Domino SSI Server to use Application over Internet -- 2

We need to use HCL remotly from internet. Actually I want to use all my Applicaitons from internet. As I know I need to create an HCL SSI server (I am not sure) I have the versiyon HCL Domino 12 Who can support and help me about this issue. Is where nice when you have HCL Nomad for this. If you need you can remotes acces to us.