CCA Citrix MetaFrame XP for Windows Administrator Study Guide (Exam 70-220)

See MetaFrame XP

Zones are responsible for collecting data from other server within the farm and distributing it effectively. Each zone elects a data collector whose role replaces the need for the ICA master browser in earlier versions of MetaFrame. Placement and configuration of zones within a MetaFrame XP farm can greatly affect performance and efficiency of the Citrix farm.