Less Known Solaris features: Jumpstart Enterprise Toolkit - Part 16: Conclusion
JET and Jumpstart are incredible powerful tools to ease the installation of your solaris systems. You can install your systems via network, configure and customize them. With tools like Jumpstart FLASH it´s easy to clone systems for large computing cluster.
Even when you have only a few systems, it´s a good practice to install you systems by a Jumpstart server. A bare metal recovery of your system is much easier, you can use a common template to setup your system and beside the hard disk space the jumpstart server needs only resources at the moment of the installation.