Less known Solaris features - IP Multipathing (Part 11): Conclusion
The nice thing about IPMP is: It’s simply there. You can use it. When you have more than one interface in your system and you care about the availability of your network, it takes you just a few seconds to activate at least the link-based variant of IPMP. This fruit is really hanging just a few centimeters above the ground.
Do you want to learn more?
docs.sun.com - Solaris 10 - System Administration Guide: IP Services - Part VI: IPMP man pages
docs.sun.com - ifconfig(1M)
docs.sun.com - in.mpathd(1M)
docs.sun.com - ipmpstat(1M) Misc.
Project Clearview: IPMP Rearchitecture