As to a method for increasing reliability of networks of non-global zones with the exclusive-IP configuration, there is a method for achieving this through use of the NIC switching mode.
The following example is for using NIC switching mode.
Figure C.6 For using NIC switching mode
Even if a transmission route fails on the primary physical interface, the applications will be switched over to the secondary physical interface through redundant line control, so operational continuity is never disrupted.