Solaris 11 First Steps
From Lolly's Wiki
What's new in Solaris 11
Installation
Automated Installer
Package Management
No more patching! The new way to update your operating system is pkg. This tool get's new versions of Software over the network. You can search repositories for software packages and install them over the network. Some examples
Live upgrade is now Boot environments (beadm)
Distro Constructor
You can compile your own Solaris 11 distribution ISO image by using the Distribution Constructor. This will make customized installations much faster. There is a good article at Oracle called How to Create a Customized Oracle Solaris 11 Image Using the Distribution Constructor.
Networking (Crossbow)
An enhanced version of the new network stack from the project Crossbow (known from OpenSolaris) is implemented. This means a lot of new features like virtual switches, virtual NICs and so on.