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7LS You do not have to create separate server farms to deliver different applications to different user groups in the common account base. Although each application you publish is published in the server farm, each user in the common account base sees only the applications he or she is authorized to use.

Multiple farms do not have to include multiple domains; you can create multiple farms containing servers that are members of a single domain. Each server can be a member of a single farm only.

In any farm arrangement, you can create a farm that consists of servers located on separate network subnets:

The farm depicted above contains servers from three separate subnets. In order for servers on different subnets to participate in a single server farm, you must set up an ICA Gateway between each subnet.

An ICA Gateway is a Citrix server communication link established between two subnets that allows the master ICA Browsers on the separate subnets to share information about available Citrix servers and published applications.

1RWH Like Windows NT domain trust relationships, ICA Gateways are not transitive. Each subnet must be connected to each other subnet by an ICA Gateway. To connect two subnets, you must create a single ICA Gateway. To connect three subnets, create three ICA Gateways.

See Chapter 4, “Configuring MetaFrame” for information on configuring ICA

Gateways.

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