in an AppleTalk network. Thereby the ZIP protocol fulfills the task to determine the network nodes which belong to a certain zone. Where in AppleTalk terminology, a zone is a logical group of network nodes. The Zone Information Protocol (ZIP) is used in the Name Binding Protocol (NBP) to determine the nodes in a network that belong to a particular zone. It is described in the TCP/IP standard document RFC 1742 from 1995.