Allow access to Peoplesoft from another geographic location

Hi,

I wish to know of options available in order to allow access to PeopleSoft to persons in another geographic location (another country).

The current setup is an on premise instance of PeopleSoft.

Any possible options like hosting the PeopleSoft instance  differently or additional infrastructure / networking changes to enable this ?

Any suggestions based on a working solution will be highly appreciated.

Thanks,