https://docs.openshift.com/enterprise/3.0/admin_guide/high_availability.html#configuring-a-highly-available-routing-service
HSRP
Hot Standby Router Protocol
https://docs.openshift.com/enterprise/3.0/admin_guide/high_availability.html#configuring-a-highly-available-routing-service
HSRP
Hot Standby Router Protocol