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Enforced Client Product Guide Introduction
How does the software work?
1
If so, the client computer retrieves the update from a peer. (Digital signatures are checked
to verify that the computer is valid.)
If not, the client computer retrieves the update directly from the update site.
4 On the client computer, the catalog file is extracted and new components are installed.
Internet Independent Updating (IIU)
Internet Independent Updating enables computers to use Enforced Client when they are not
connected to the Internet. At least one computer on the subnet must have an Internet connection
to be able to communicate with the udpate site. That computer is configured as a relay server,
and computers without an Internet connection retrieve updates locally from the relay server.
1 When a computer without Internet access fails to connect directly to the update site, it
requests information from the relay server.
2 The relay server downloads a catalog of updates from the update site.
3 The computer with no Internet connection downloads the necessary updates from the relay
server.
For more information, see Enabling relay servers on page 46.