Merge pull request #7531 from tmorriso-rh/enterprise-3.3

[enterprise-3.3] Changed thawed to thwarted

Author: Traci Morrison

admin_guide/high_availability.adoc

@@ -29,8 +29,16 @@ For some IP-based traffic services, virtual IP addresses (VIPs) should always be
 serviced for as long as a single instance is available. This simplifies the
 operational overhead and handles failure cases gracefully.
 
-IMPORTANT: Even though
-a service is highly available, performance can still be affected.
+[IMPORTANT]
+====
+Setting up a nodePort is a privileged operation.
+====
+
+[IMPORTANT]
+====
+Even though a service VIP is highly available, performance can still be affected. *keepalived* makes sure that each of the VIPs is serviced by some node in the configuration, and several VIPs may end up on the same node even when other nodes have none. Strategies that externally load balance across a set of VIPs
+may be thwarted when ipfailover puts multiple VIPs on the same node.
+====
 
 Use cases for high-availability include: