
6 MetaFrame Solutions Guide
For specific details about the features, installation, and administration of the
clients, see the Citrix ICA Client Administrator’s Guides for the clients you plan
to deploy.
Citrix Services
Citrix offers a variety of server add-ons that enhance the scalability,
manageability, and reach of MetaFrame and the Citrix ICA Clients:
K
Load Balancing Services
K
SecureICA Services
K
DirectICA Services
K
Installation Management Services
K
Resource Management Services
K
VideoFrame
K
License Packs
Load Balancing Services
Citrix Load Balancing Services gives you the ability to scale a single MetaFrame
server into a multi-server farm. With load balancing, you can publish an
application to be run on any subset of servers in a Citrix server farm. When an
ICA Client user starts a remote session on the Citrix server and launches a load
balanced application, that user is automatically connected to the least busy server
in the farm. With Load Balancing Services, you can:
K Balance application load among both MetaFrame and WINFRAME servers
K Adjust the criteria used to determine server load
SecureICA Services
SecureICA Services contains features to enhance the security of data
communication across any type of connection supported by MetaFrame.
SecureICA Services uses the RC5 encryption algorithm from RSA Data Security,
Inc. The MetaFrame server and the Citrix ICA Client use the Diffie-Hellman key-
agreement algorithm with a 1024-bit key to generate RC5 keys.
DirectICA Services
Citrix DirectICA for MetaFrame adds support for multi-VGA adapters to Citrix
MetaFrame Application Server for Windows. A multi-VGA adapter (also called a
multiconsole adapter) is a hardware device that contains several VGA video
adapters with additional support hardware. Each multi-VGA adapter appears to
the server as several VGA video adapters, each with an accompanying keyboard,
mouse, and optional serial and parallel ports, depending on the manufacturer and
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