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  1. In the case of hard disks, a zone is understood to be the combination of several tracks. Zones lying on the outside, towards the edge of the hard disk, have more sectors, since the tracks are longer than the tracks lying further in.

  2. In the DNS terminology of the Domain Name System (DNS), a zone is the address range that a DNS server manages. Such a zone is adequately described by Resource Records (RR), which are stored in the zone file. A zone is managed by a Primary Name Server (PNS), whose records are regularly mirrored to a Secondary Name Server (SNS) to increase availability. A zone includes the entire domain; subdomains tend to be represented by their own zones.

  3. In networks, a zone is a collection of all terminals, gateways, and multipoint control units (MCUs) managed by a single gatekeeper. A zone consists of at least one terminal and has only one gatekeeper. It is independent of the LAN topology and can be composed of multiple LAN segments interconnected by routers.

  4. In AppleTalk, a zone is a logical group of network devices. The devices and network nodes in a zone are defined by the system administrator and assigned using the Zone Information Protocol (ZIP).

  5. In H. 323 networks for Internet telephony, a zone consists of various network accounts such as gateways, terminals, and multipoint control units (MCU) that are registered by a gatekeeper. Only one gatekeeper can be active per zone. Such a zone can be cross-subnet.

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Englisch: zone
Updated at: 13.07.2011
#Words: 205
Translations: DE