A high profile customer asked:

"
Is  there a way in QNX Neutrino  to support Virtual IP capability. This allows to set up 2 machine nodes such that they 
would work as a redundant pair. With single virtual IP which will be used by external network devices to communicate to 
that pair. At any time only one ("active") node will owe this IP address and external network devices will be using it 
to communicate to  "active" node. Example of such mechanism is provided by in Linux VRRP RFC 3768, Keepalived (2003), 
HealthChecking for LVS & High Availability, http://www.keepalived.org/
"

Thanks for any pointers,
Karim.