Before you begin using the NetInstall service it’s a good idea to gain a basic understanding of how it works and to learn about the four different types of NetInstall images. During the course of this series we’ll create basic versions of every type of NetInstall image and we’ll also create images that incorporate some the NetInstall service’s more advanced features.
The NetInstall service consists of three components:
The NetInstall server acts as a repository for NetInstall images, hosts the NetInstall service, and delivers NetInstall images to NetInstall clients.
Read more here:: How the NetInstall Service works