 Caching.
Accelerate the distribution of contents, allows to realize savings on the cost of the busy bandwidth WAN and offers a protection against the unverifiable bottlenecks. Content filtering.
Allows the administrators to block, to control and to report the access of the end users to unwanted contents (by means of the protocol of Internet filtering of N2H2, SmartFilter of Secure Computing or the software Websense Enterprise).
Distribution of contents.
Used collectively to the Administrator of distribution of contents of Cisco to allow the multimedia on-line forming and the communications of companies as well as to offer new services of hostings high quality, such as the distribution of contents in the demand and the nonstop multimedia transmission; also used for the adaptation of Web sites. | 
The advantages of the content.