The following display profile is used to implement portlet session failover as documented in To Set Up Session Failover for a Portlet.
<?xml version="1.0" encoding="utf-8" standalone="no"?>
<!DOCTYPE DisplayProfile SYSTEM "jar://resources/psdp.dtd">
<DisplayProfile version="1.0" priority="user">
<Properties/>
<Channels>
<Container name="JSPTabContainer" provider="JSPTabContainerProvider">
<Properties/>
<Available/>
<Selected/>
<Channels>
<Container name="PortletSamplesTabPanelContainer">
<Properties/>
<Available>
<Reference value="JSPTabContainer/
PortletSamplesTabPanelContainer/CounterSession"/>
</Available>
<Selected>
<Reference value="JSPTabContainer/
PortletSamplesTabPanelContainer/CounterSession"/>
</Selected>
<Channels>
<Channel name="CounterSession"
provider="__Portlet__sessioncounter.PortletSessionCounter"
merge="replace">
<Properties/>
</Channel>
</Channels>
</Container>
</Channels>
</Container>
</Channels>
<Providers/>
</DisplayProfile>