Install Solaris on multiple machines? Use JumpStart to automate your installation
Upgrade or patch your system with almost no downtime? Save system downtime when upgrading using Solaris Live Upgrade (Examples)
Install or patch multiple systems quickly? Create a Solaris Flash archive: Install with a copy on clone systems
Do a secure installation over the network or Internet? Use WAN boot to install a remote client
Check out the Upgrade hub for articles and other resources for upgrading.