How to! Perring a two HaProxy balancers

Hi everyone :slight_smile:
i’m looking for a solution about configure a connection between a two HaProxy balancers (Master and slave) the problem is they have a different ip’s (different ISP’s) is their a solution? if you have a any idea please let me know
Thank You.
Look at the topologie:

How are you managing the VIP IP between the 2 if they are on different networks ?