The Neutron LBaaS extension allows us to create virtual load balancers that can balance incoming application traffic between running virtual machine instances. The extension introduces additional Neutron API calls to create and manage virtual IP addresses, pools, pool members, and health monitors.
Neutron LBaaS service relies on an HAProxy implementation driver. Before getting started with configuring Neutron LBaaS, make sure that the HAProxy service is installed on the neutron network node running L3 service:
[root@neutron-node ~]# yum -y install haproxy