CCDA: Cisco Certified Design Associate Study Guide, 2nd Edition (640-861)

Zone Information Protocol: A Session-layer protocol used by AppleTalk to map network numbers to zone names. NBP uses ZIP in the determination of networks containing nodes that belong to a zone. See also: ZIP storm and zone.

A broadcast storm occurring when a router running AppleTalk reproduces or transmits a route for which there is no corresponding zone name at the time of execution. The route is then forwarded by other routers downstream, thus causing a ZIP storm. See also: broadcast storm and ZIP.

A logical grouping of network devices in AppleTalk. See also: ZIP.