||The farm has one data store.
||Each farm must have a data store.
|Data Store Replication
||Citrix recommends that you replicate the data store to remote
sites when using one farm in a WAN environment.
||If each remote site is a farm with its own data store, there is
no need for data store replication.
||You can load balance an application across the farm.
||You cannot load balance an application across servers in
||If the farm spans multiple sites, firewall ports must be open
for server-to-server communication.
||Site-based farms eliminate the need to open firewall ports for
||Data store information is synchronized with member servers
through notifications and queries. When a farm has multiple zones, data
collectors communicate dynamic information such as logons and application use
across the farm.
||Multiple farms might improve performance over a single farm when
server-to-server traffic crosses a WAN link or when the farm is very large.
||You can monitor and configure the farm from a single management
console and need to log on to only one farm to do so.
||You can monitor and configure multiple farms from management
console. Communicating with multiple farms from the console requires logging on
to each farm.