Assigning to Dayle for review.
A new chapter has now been added to the High Availability Guide for this request, and the diagram has been updated: "Chapter 4. Configuring the HAProxy Load Balancer": https://access.redhat.com/documentation/en-us/red_hat_cloudforms/4.5/html-single/high_availability_guide/
And the Kbase article containing the content previously has been deprecated: https://access.redhat.com/articles/2967461 See https://bugzilla.redhat.com/show_bug.cgi?id=1431911 for more details.