13.2. Sites and Applications
With Windows Server 2008 you create websites that are containers for web applications organized into a pool, that have a unique IP address and port, and that have option host headers on HTTP.SYS to listen for requests. Each website has a default web application, although there can be more applications that are used as well.
To give websites more flexibility and the ability to scale, IIS supports the concept of virtual directories. A virtual directory is one that is mapped by a pointer to a physical directory in another location. When you use a virtual directory, the name becomes part of the web application's address. Web-sites are published using either the XCOPY command or (more typically) FTP over a Secure Sockets ...
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